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Biology STAAR cram session

Total questions: 150

Worksheet time: 3hrs 19mins

Name
Class
Date
1.

This diagram shows cell activity across a cell membrane. Which two processes does the model best represent?

a)

Energy conversion and making new molecules

b)

Synthesis of new molecules and homeostasis

c)

Transport of molecules and energy conversions

d)

Transport of molecules and homeostasis

2.

Which statement best describes the role of the vesicles in this image?

a)

They deliver packages from the Golgi apparatus

b)

They exchange genetic material

c)

They are extracting viruses from the Golgi apparatus

d)

They are transports for gas exchange only

3.

Which of these correctly compliments the following DNA strand during replication: AGGTCA

a)

UCCAGU

b)

TCCAGT

c)

ACCAGU

d)

TGGAGT

4.

What part of a DNA molecule is directly responsible for coding a specific trait in an organism?

a)

the number of hydrogen bonds in the DNA

b)

the number of carbons in DNA

c)

the sequence of nucleotide bases in DNA

d)

the sequence of phosphates along the backbone

5.

In which phase of the cell cycle is DNA replicated?

a)

Mitosis

b)

G1 phase

c)

G2 phase

d)

S phase

6.

What do the 2 arrows represent in this diagram?

a)

arrow 1 is prophase; arrow 2 is interphase

b)

arrow 1 is mitosis; arrow 2 is meiosis

c)

arrow 1 is interphase; arrow 2 is mitosis

d)

arrow 1 is meiosis; arrow 2 is prophase

7.

During the cell cycle, cells go through checkpoints. If DNA damaged is detected, it is repaired before mitosis. Why is repairing DNA important?

a)

so the spindle fibers and centrioles will work correctly during division

b)

so chromosomes will align correctly during metaphase

c)

so the cytoplasm can be divided equally during cytokinesis

d)

so healthy daughter cells are produced and can continue to grow

8.

Which of these describes a difference between a virus and a cell?

a)

cells contain protein, viruses only contain carbohydrates

b)

viruses have flagella, cells have cilia

c)

cells reproduce independently, viruses require a host cell to replicate

d)

viruses have a protein membrane, cells have membranes made of nucleic acids

9.

Viruses can be transmitted by air, food, water and direct contact. Once a virus enters a body, it invades a cell immediately to-

a)

access cell processes to replicate viruses

b)

metabolize proteins for the cell

c)

synthesize antibodies for defense

d)

grow new viruses using the cell's ribosomes

10.

A prey population of varying running speeds exists in an area as shown in the graph. If natural selection works as it should the prey-

a)

with average speeds will increase over time

b)

with slower speeds should increase over time

c)

with faster speeds will increase over time

d)

with faster speeds will decrease over time

11.

Adaptations that result from natural selection are expected to increase the fitness of an organism. In terms of natural selection, what is fitness?

a)

being able to escape from predators

b)

being among the strongest organisms in a population

c)

being able to survive, find a mate, and produce offspring

d)

being able to survive long enough to reach an adult age

12.

Scientists can determine how closely organisms are related using DNA and their amino acid sequences. Using the chart, which organisms is LEAST related to the other three.

a)

organism 1

b)

organism 2

c)

organism 3

d)

organism 4

13.

Which organism is the most closely related to the Sun Bear in this cladogram?

a)

Lesser panda

b)

Giant panda

c)

Raccoon

d)

Spectacled Bear

14.

Genome maps illustrate DNA similarities in organisms. What is a reason as to why a scientist would use a genome map?

a)

to predict new species a

b)

the show how organisms could share a common ancestor

c)

to show how proteins are made

d)

to demonstrate the importance of the cell cycle

15.

Which type of mutation does the model demonstrate?

a)

deletion

b)

insertion

c)

substitution

d)

translocation

16.

A mutation in which types of cells would only affect the organism and not future generations?

a)

Egg cell and liver cell

b)

Sperm cell and egg cell

c)

Nerve cell and brain cell

d)

Sperm cell and lung cell

17.

What is the purpose of this cellular process?

a)

preserving genetic information for future generations

b)

deleting information in the DNA template

c)

transcribing information in the DNA sequence to be used by the cell

d)

producing more nucleotides for the DNA sequence

18.

Two frog species are recovered from a forest in order to help them begin to repopulate. The frogs within their own populations bred just fine however, they would not breed with the other frog population. What could be a possible explanation?

a)

They are the same species but in different kingdoms

b)

They are in the same class but different phyla

c)

They are in the same family but different orders

d)

They are in the same genus but are different species

19.

All the animals to the right of the hagfish have the common characteristic of-

a)

fur

b)

claws or nails

c)

lungs

d)

jaws

20.

A recent dog advertisement says that it's food will build lean muscle and provide energy to the dogs. What two biomolecules must be present for this to be true

a)

protein and carbohydrates

b)

carbohydrates and lipids

c)

nucleic acids and carbohydrates

d)

lipids and nucleic acids

21.

Four different nucleotides are used to build a DNA molecule. Which of the following can be used to distinguish one nucleotide to another?

a)

the nitrogen base

b)

the shape of the sugar

c)

the length of the phosphate group

d)

the type of fatty acid

22.

Carbohydrates are more easily metabolized than lipids. However, on a gram to gram basis, lipids provide cells with more-

a)

nitrogen

b)

protein

c)

structure

d)

energy

23.

The building blocks, or subunits, that make up a protein molecule are known as-

a)

fatty acids

b)

nucleotides

c)

monosaccharides

d)

amino acids

24.

Which four systems allow for a person to sneeze?

a)

muscular, immune, nervous, respiratory

b)

nervous, respiratory, circulatory, skeletal

c)

respiratory, endocrine, skeletal, circulatory

d)

lymphatic, skeletal, respiratory, muscular

25.

The response represented in the illustration would most likely be caused by-

a)

a reduced supply of oxygen

b)

long periods of rainfall

c)

high concentration of glucose

d)

little available water

26.

The rocky material left behind after a glacier receeds is called a moraine. Which organisms will help the rocky moraine begin the process of primary succession?

a)

insects

b)

lichens

c)

grasses

d)

trees

27.

Which of these best demonstrates mutualism between humans and bacteria?

a)

Intestinal bacteria obtain nutrients from food and provide vitamin K for humans

b)

bacteria become resistant to antibiotics used to fight infection

c)

invasive bacteria invade an injured area and produced harmful toxin to human

d)

bacteria found in improperly prepared food causes food poisoning for human

28.

Remora fish attach to sharks to feed on scraps created by the sharks after meals. The suction disk on the remora mouth does not damage the shark's scaly skin. This type of symbiotic relationship is known as-

a)

predation

b)

parasitism

c)

mutualism

d)

commensalism

29.

Green algae grows on the backs of some aquatic spiders to be near sunlight. The algae camouflages the spider from predators. This type of of relationship is known as-

a)

mutualism

b)

parasitism

c)

commensalism

d)

predation

30.

Which of these organisms will likely increase if a disease affects and starts to kill off the horn lizard population?

a)

grasshoppers and ants

b)

ants and cottonmouths

c)

cottonmouths and hawks

d)

ants and hawks

31.

Which statement best describes why there is a difference in biomass at each level of this diagram?

a)

organisms at higher levels have less energy available to them

b)

organisms at higher trophic levels need smaller habitats

c)

organisms at lower levels need less energy

d)

organisms at lower levels outcompete the higher level organisms

32.

As energy flows through the organisms of this energy pyramid, how much energy would be available to the secondary consumers?

a)

1000 joules

b)

100 joules

c)

10 joules

d)

1 joule

33.

The cell in the image can best be described as-

a)

Multicellular

b)

Viral

c)

Eukaryotic

d)

Prokaryotic

34.

In cattle the allele for cloven hooves (H) is dominant over the allele for mule-foot hooves (h). The phenotype for each trait is shown in this picture.


What is the probability of cloven hooves in the offspring of parents that are heterozygous for the trait?

a)

25%

b)

50%

c)

75%

d)

100%

35.

What is the process shown in the diagram?

a)

transcription

b)

translation

c)

mutation

d)

transformation

36.

What type of mutation is shown in the diagram?

a)

substitution

b)

insertion

c)

deletion

d)

no change

37.

Use the chart to find to amino acid that corresponds to the codon GGA:

a)

Alanine

b)

Glutamic Acid

c)

Lysine

d)

Glycine

38.
Which is true of prokaryotic and eukaryotic cells?
a)
Prokaryotic cells are larger than eukaryotic cells.
b)
Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.
c)
Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.
d)
Eukaryotic cells are simpler than prokaryotic cells.
39.

Which do BOTH prokaryotes and eukaryotes contain?

a)

nucleus

b)

mitochondria

c)

ribosomes

d)

cell wall

40.

Which does only eukaryotic cells contain?

a)

nucleus

b)

DNA

c)

cell membrane

d)

ribosomes

41.

Prokaryotic cells do not have…….

a)

membrane bound organelles

b)

cell membrane

c)

DNA or RNA

d)

life

42.

You can distinguish a prokaryote apart from a nucleus by--

a)

The presence of a ribosome

b)

The presence of a cell membrane

c)

The presence of DNA

d)

The presence of a nuclear membrane

43.

Bacteria is an example of a(n)

a)

prokaryotic cell.

b)

eukaryotic cell.

44.
What biomolecule do enzymes belong to? 
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
45.
Which biomolecule is a main source of quick energy?
a)
Nucleic Acid
b)
Protein
c)
Lipid
d)
Carbohydrate
46.
What is the function of a nucleic acid?
a)
Stores genetic information
b)
Stores energy
c)
Quick source of energy
d)
Builds structures
47.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
48.

Which of the following would be a major component in a plant cell wall?

a)

cellulose

b)

starch

c)

glycogen

d)

salivary amylase

49.

What is the function of a protein?

a)

provide a source of immediate energy

b)

provide storage of energy

c)

store your genetic information

d)

growth of muscle and tissues

50.

What are the building blocks of proteins?

a)

nucleic acids

b)

monosaccharides

c)

fatty acids

d)

amino acids

51.
Movement of particles from high to low concentration. 
a)
Passive Transport
b)
Active Transport
52.
Osmosis is a form of ______________. 
a)
Passive Transport
b)
Active Transport
53.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
54.
The process where only water is allowed to pass through the cell membrane from a high to low concentration.
a)
meiosis
b)
respiration
c)
diffusion
d)
osmosis
55.
Cells use energy to move materials across a membrane (low to high concentration).
a)
Active transport
b)
Passive transport
c)
Diffusion
d)
Osmosis
56.

Which describes a hypotonic environment?

a)

Too much water in the cell will cause the cell to burst - the percentage of water is higher outside the cell than inside the cell

b)

Too little water in the cell will cause the cell to shrink - the percentage of water is lower outside the cell than inside the cell

c)

Concentrations of water are equal inside and outside the cell

57.

Which describes a hypertonic environment?

a)

Too much water in the cell will cause the cell to burst - the percentage of water is higher outside the cell than inside the cell

b)

Too little water in the cell will cause the cell to shrink - the percentage of water is lower outside the cell than inside the cell

c)

Concentrations of water are equal inside and outside the cell

58.

The movement of materials that requires energy is called...

a)

active transport

b)

passive transport

c)

massive transport

d)

proactive transport

59.
What phase is this cell in?
a)
Cytokinesis
b)
Mitosis
c)
Prophase
d)
Metaphase
60.
What phase is this cell in?
a)
Mitosis
b)
Interphase
c)
Anaphase
d)
Telophase
61.
What phase is this cell in?
a)
Mitosis
b)
Cytokinesis
c)
Prophase
d)
Telophase
62.
What phase is this cell in?
a)
Mitosis
b)
Interphase
c)
Prophase
d)
Telophase
63.
In mitosis, the two resulting cells are
a)
different from the starting cell and identical to each other.
b)
different from the starting cell and different from each other.
c)
identical to the starting cell and different from each other.
d)
identical to the starting cell and identical to each other.
64.
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase. 
a)
prophase, metaphase, telophase, anaphase
b)
prophase, anaphase, metaphase, telophase
c)
prophase, metaphase, anaphase, telophase
d)
prophase, telophase, metaphase, anaphase
65.
In the S stage of interphase....
a)
The cell grows
b)
The nucleus divides
c)
The cell membrane divides
d)
The DNA is replicated
66.
Uncontrollable cell growth is known as _____
a)
Obesity
b)
Cancer
c)
Diabetes
d)
Hepatitis
67.

Arrange the following levels of hierarchy from smallest to largest

a)

Organism, Organ, Tissue, Cell, Organelle

b)

Organelle, Cell, Tissue, Organ, Organism

c)

Organism, Cell, Tissue, Organ

d)

Tissue, Cell, Organ, Organism

68.

Name the phase:

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

69.
Name the phase:
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
70.

What is happening in this series of images?

a)

Mitosis - nucleus divides

b)

Mitosis - DNA replicates

c)

Interphase - the cell prepares for DNA replication

d)

Interphas - the cell divides

71.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
72.
What is one of the advantages, why is it better to reproduce sexually versus asexually?
a)
survival of the fittest
b)
overproduction
c)
genetic variation
d)
cloning
73.

CROSSING OVER INCREASES

a)

LIFE SPAN

b)

GENETIC VARIATION

c)

THE NUMBER OF OFF-SPRING

d)

ALL ARE TRUE

74.
Viruses are...
a)
prokaryotic
b)
eukaryotic
c)
non-living
d)
endospores
75.
Viruses 
a)
have many cells
b)
are misfolded proteins
c)
are a protein coat around genetic material
d)
endospores
76.
What is the main function of the projections on the surface of a virus?
a)
They aid in respiration
b)
They help the virus grow
c)
They help the virus invade its host by attaching to specific sites on the host
d)
They help the virus digest food molecules
77.

What is the first step to both viral cycles?

a)

The virus attaches to a host

b)

the virus injects genetic material

c)

the host gets sick

d)

the cell is destroyed

78.

When the viral DNA becomes active in the lysogenic cycle, which life cycle does it enter?

a)

lytic

b)

lysogenic

c)

cell cycle

d)

DNA replication

79.

Choose the correct order of lytic cycle steps

a)

attachment, entry, assembly, replication, release

b)

attachment, entry, replication, assembly, release

c)

attachment, entry, assembly, release, replication

d)

attachment, release, assembly, replication, entry

80.
Which is NOT a characteristic of plants?
a)
Autotroph
b)
Eukaryotic Cell
c)
Unicellular
d)
Cell walls
81.
The plant tissue that carries food DOWNWARD from the leaves to the rest of the pant is the ______.
a)
Phloem
b)
Stomata
c)
Chlorophyll
d)
Xylem
82.
Small openings called ______ are found on the underside of leaves and allow gases to enter or leave the plant cells.
a)
Phloem
b)
Chloroplasts
c)
Xylem
d)
Stomata
83.
Vascular tissue that transports water and minerals UPWARDS from a plant's roots is known as ______.
a)
Cuticle
b)
Phloem
c)
Stomata
d)
Xylem
84.
Plants COULD NOT survive without _____ and ______.
a)
Transpiration and Gravity
b)
Oxygen and Water
c)
Seeds and Water
d)
Carbon Dioxide and Water
85.
The process of photosynthesis takes place in organelles (part of cell) called ______.
a)
Phloem
b)
Xylem
c)
Stomata
d)
Cholorplasts
86.
The male reproductive structure of a flower is the ___.
a)
pistil
b)
ovary
c)
stamen
d)
ovule
87.
The part of a flower that produces the male reproductive cells.
a)
anther
b)
style
c)
stigma
d)
filament
88.
The tip of the style that has sticky hairs to trap pollen is the ___.
a)
stamen
b)
stigma
c)
ovary
d)
style
89.

This example for

a)

Internal stimuli

b)

Thigmotropism

c)

Phototropism

d)

no answer correct

90.

This example for 

a)

Internal stimuli 

b)

Light stimuli

c)

Tough stimuli

d)

Temperature stimuli 

91.

This example for

a)

Internal stimuli

b)

Light stimuli

c)

Thigmotropism

d)

Temperature

92.

This picture would represent which type of tropism?

a)

Phototropism

b)

Geotropism

c)

Thigmotropism

93.

Organisms whose cells do not have a nucleus are called _____.

a)

Eukaryotes

b)

Multicellular

c)

Unicellular

d)

Prokaryotes

94.
A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?
a)
Whip Scorpion
b)
Wind Scorpion
c)
Daddy long legs
d)
Scorpion
95.
What trait separates sharks from ray-finned fish?
a)
Vertebrae
b)
Bony skeleton
c)
Four limbs
d)
None
96.
The table shows characteristics of several organisms. Based on the information given in the table, which two organisms would you think have the most recent common ancestor?
a)
Turtle and jawed fish
b)
Lamprey and jawed fish
c)
Turtle and frog
d)
Lamprey and frog
97.
Which of the following organisms are LEAST closely related?
a)
organisms that share a domain
b)
organisms that share a family 
c)
organisms that share a genus 
d)
organisms that share a species 
98.
Kingdom, Phylum, Class, _______
a)
Family 
b)
Order
c)
Genus 
d)
Species
99.
Which of the following alleles is homozygous (purebred) recessive?
a)
Tt
b)
tt
c)
TT
d)
t
100.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous genes
d)
mutated DNA
101.
G = green, g = yellow
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
102.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
103.

Which organelle is the location where protein is made?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

104.

During transcription, this type of ribonucleic acid is responsible for copying the DNA and brining it out of the nucleus.

a)

tRNA

b)

mRNA

c)

rRNA

d)

dRNA

105.

When these bond together, they form a protein

a)

Amino Acids

b)

Peptide Bonds

c)

Ribose

d)

Nucleotides

106.

These building blocks consist of a sugar, phosphate, and nitrogen base.

a)

Ribose

b)

Nucleotide

c)

Gene

d)

Protein

107.

A string of nucleotides that contain the information to make a specific protein

a)

Ribose

b)

Amino Acids

c)

tRNA

d)

Gene

108.

Which of the following is the complementary mRNA sequence to this DNA strand: AACTGAA

a)

UUGACUU

b)

TTGACTT

c)

AACTGAA

d)

AACUGAA

109.

Which of the following is the complementary mRNA sequence to this DNA strand: AACTGAA

a)

UUGACUU

b)

TTGACTT

c)

AACTGAA

d)

AACUGAA

110.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
111.

What process is happening in the diagram?

a)

transcription

b)

translation

c)

dna replication

d)

mitosis

112.

A nucleotide base is inserted or deleted shifting the entire DNA sequence. Entire protein will be changed.

a)

Substitution Mutation

b)

Silent Mutation

c)

Frameshift Mutation

d)

Translocation

113.

A frameshift mutation where a nucleotide base

is removed from the DNA sequence.

a)

Deletion Mutation

b)

Substitution Mutation

c)

Translocation

d)

Silent Mutation

114.
What gamete possibilities could come from this parent's genotype?
a)
AB, AB, aB, aB
b)
Ab, AB, Ab, ab
c)
Ab, Ab, Ab, Ab
d)
AB, aB, ab, aB
115.
What goes in box 3
a)
Aabb
b)
AABB
c)
AAbb
d)
aaBb
116.
parent 1: GgBB
parent 2: ggBb
Find the gametes for parent 1.
a)
GB, GB, gB, gB
b)
gB, gb, gB, gb
c)
Gg, BB, GB, GB
d)
gg, Bb, gB, gb
117.
Assume dad's gametes are on top, what is his genotype?
a)
AAPP
b)
AaPp
c)
aaPP
d)
Aapp
118.

The forelimbs of mammals have similar anatomy because these groups descended from a recent common ancestor. Their bone structure is an example of a(n) ______________ structure.

a)

vestigial

b)

analogous

c)

homologous

119.
Natural selection is
a)
survival of the fittest
b)
humans change
c)
two species are the same
d)
more animals survive
120.

What is a change in an organism that allows for it to survive in its environment?

a)

homologous

b)

vestigial

c)

variation

d)

adaptation

121.

What is this an example of?

a)

diversity of species

b)

variation

c)

vestigial structures

d)

DNA studies

122.

Genetic drift is change in the allele frequency of a population due to...

a)

random chance

b)

natural selection

c)

non-random mating (sexual selection)

d)

artificial selection

123.

This mechanism of evolution occurs when populations migrate.

a)

Extinction

b)

Gene flow

c)

Genetic drift

d)

Natural Selection

124.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
d)
an organism that uses chemical energy to make its own food
125.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
126.
Name the tertiary consumer?
a)
snake
b)
fungi
c)
hawk
d)
mouse
127.

In this food web, which of the following organisms eats the largest variety of different producers?

a)

Mouse

b)

Grasshopper

c)

Dragonfly

d)

Butterfly

128.
An energy pyramid represents what?
a)
How much sunlight is available for the ecosystem to use. 
b)
How much energy a particular organism needs. 
c)
How much energy is needed to build a pyramid. 
d)
The amount of energy available to the next 'feeder' in a food web.
129.

What would happen to the bird if the green fish died out?

a)

the bird population would grow

b)

the bird population would die out

c)

the smaller fish will die out

130.
The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?
a)
A
b)
B
c)
C
d)
D
131.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
132.
Only 10 percent of the energy stored in an organism can be passed on to the next trophic level. Of the remaining energy, some is used for the organism’s life processes, and the rest is
a)
Used in reproduction
b)
Stored as body fat
c)
Stored as body tissue
d)
Eliminated as heat
133.
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
134.
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
135.
What type of symbiosis?  Skunks often live in burrows that have been dug and abandoned by woodchucks.  
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
136.

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants.

a)

Predation

b)

Parasitism

c)

Commensalism

d)

Mutualism

137.
Red-billed oxpeckers are birds that often feed on parasites that infest impala.  This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
138.
After a forest fire, an ecosystem would start regrowth through -
a)
primary succession
b)
secondary succession
c)
climax community
d)
limiting factors
139.
succession that occurs in an area with no soil
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
140.
How do lichens contribute to primary succession?
a)
Lichens decompose organic matter from animals and plants
b)
Lichens begin to break down rock to form soil
c)
Lichens are nitrogen fixing bacteria
d)
Lichens convert carbohydrates into fossil fuels.
141.

The picture display which type of succession?

a)

primary

b)

secondary

c)

tertiary

d)

all of the above

142.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
143.

What 2 systems: Absorb and deliver the digested nutrients to the cells

a)

Digestive and muscular

b)

Muscular and lymphatic

c)

Digestive and circulatory

d)

Nervous and skeletal

144.

What 2 systems: Allow organs to contract and push food through

a)

Muscular and Skeletal

b)

Excretory and Muscular

c)

Endocrine and Muscular

d)

Muscular and Digestive

145.

What 2 systems: Diaphragm controls breathing

a)

Circulatory and Endocrine

b)

Respiratory and Muscular

c)

Muscular and Skeletal

d)

Circulatory and Respiratory

146.
Which two body systems work together to break down food and get rid of wastes?
a)
digestive and excretory
b)
digestive and circulatory
c)
excretory and respiratory
d)
nervous and digestive
147.

A group of the same organisms living together in the same place at the same time is:

a)

An organism

b)

A population

c)

A community

d)

A biome

148.

What are groups of different populations living togther in the same place at the same time called?

a)

An organism

b)

A population

c)

A community

d)

A biosphere

149.

Which choice shows the correct order of the levels of environmental organization?

a)

organism, population, community, ecosystem, biosphere

b)

organism, population, ecosystem, biosphere, community

c)

organism, community, population, ecosystem, biosphere

d)

population, ecosystem, biosphere, organism, community

150.
A __________ includes all living and non-living things in an environment. 
a)
population
b)
niche
c)
abitotic
d)
ecosystem

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