Font size
WorksheetsBiology STAAR Final Review
Total questions: 100
Worksheet time: 1hrs 14mins
All cells...
Come from other cells
Are the building block of life
Is the smallest living level of organization
All of the above
If a student looks at two cells under a microscope and is trying to determine which is a eukaryote and which is prokaryote, what is the charecteristics that they should be looking for?
Prokaryotes-Smaller, Complex, Membrane bound organelles
Prokaryotes-Smaller, Simple, Non-membrane bound organelles
Eukaryotes- Larger, Complex, Non-membrane bound organelles
Eukaryotes- Smaller, Simple, Membrane bound organelles
A scientist takes a sample of water and identifies a single celled organism called algae. It has a nucleus, which kind of cell is the algae?
Prokaryotes
Virus
Eukaryotes
Protozoan
This biomolecule makes up a majority of the cell membrane and its monomer is known as a fatty acid?
Lipids
Carbohydrates
Nucleic Acids
Proteins
Which cell organelle helps maintain homeostasis within the cell?
Nucleus
Golgi Complex
Ribosomes
Cell Membrane
A person comes into the ER, they drank way way too much water and are having different symptoms caused by this. What kind of solution would the ER give the patient?
A salty solution
A watery solution
A solution that is balanced
A magic potion
In what organelle of plant cells does photosynthesis occur?
mitochondria
centrioles
chloroplast
ribosomes
The process of cellular respiration
is performed only by organisms that are incapable of photosynthesis in the chloroplast
is performed by autotrophs and heterotrophs in the mitochondria
occurs only in plants in the mitochondria
occurs only in animals in the chloroplast
Which biomolecule is great for short term energy and can be found in soda, pasta, and many vegetables?
Lipids
Proteins
Nucleic Acids
Carbohydrates
What is the optimal pH for this enzyme?
6
10
9
7
Crossing over takes place during prophase I. It is used to exchange genetic material between chromosomes. What does this help with?
male genotype
genetic variation
DNA replication
mitosis
When these bond together, they form a protein
Amino Acids
Peptide Bonds
Ribose
Nucleotides
CAT TCA CTG
Which organelle in the cell makes protein through the process of translation?
nucleus
mitochondria
ribosome
chloroplast
T-G-A-C-C-A
T-G-A-G-C-A
What type of mutation is this?
Normal- AGA-TTC-ATA-GCG
Mutant- AGA-TTC-AAT-AGC-G
deletion frameshift
insertion frameshift
substitution
nonsense
Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment?
Mutations are a source of genetic variation in a species
Mutations are the cause of disease in the species
Mutations are not harmful when they occur in somatic cells
Mutations are always passed on to subsequent generations
Having two of the same genes, alleles, for a trait is sometimes called purebred or ...
homozygous
hetrozygous
protein
chromosome
What is the probability of producing a tall pea plant from a cross between two hybrid tall pea plants (if tall is dom)?
25%
50%
75%
100%
If a homozygous black cat (BB) is crossed with a homozygous white cat (bb), what is the probability of having a cat with white fur?
100%
0%
75%
25%
Given the genotype GgBB, find the gametes.
GB, GB, gB, gB
gB, gb, gB, gb
Gg, BB, GB, GB
gg, Bb, gB, gb
Using the dihybrid cross and key provided, what is the probability of the offspring being tall and white?
9/16
2/16
3/16
6/16
The image to the right represents a
normal male.
abnormal male.
normal female.
abnormal female.
In the image above, what is the percentage of the offspring has the possibility of inheriting blood type O?
0%
25%
50%
100%
If this pedigree shows an autosomal recessive disorder, what MUST the genotype of the great grandfather or individual I-2 be?
HH
Hh
hh
None of the above
Which male is the father of this child?
Male 1
Male 2
Neither could be the father
You are not the father... Woohoo!
The diagram shows light- and dark-colored beetles that live on a tree.Which result is most likely to occur to the beetle population due to predation over time?
The number of light-colored beetles in the population will increase.
There will be more dark-colored beetles than light-colored beetles.
The number of light-colored beetles will decrease.
The dark-colored beetles will move to a different type of tree.
What will happen to this moth population over time?
Red color in moths is an adaptation as it helps them hid from predators
The gene for red color will become more common in the population
The gene for camouflaged color will become less common in the populaiton
The gene for camouflaged color will become more common in the population
A crop is treated with a pesticide and 98% of the insects are killed. What will most likely happen to the remaining insects?
They will migrate to another area.
They will reproduce and pass on resistant genes.
They will die off due to a decrease in their population size.
They will mate with a different species of insect to ensure survival.
The picture shows a/an ___________
homologous structure
vestigial structure
analogous structure
flippant structure
This table shows the number of amino acid differences compared to humans. Which species is LEAST closely related to humans?
Chimpanzee
Fruit fly
Horse
Pigeon
Which of these statements about the age of these fossils is correct?
Fossil A and C are the same age
Fossil B is older than fossil C
Fossils A is older than fossil B
Fossil D is older than fossil C
An anatomical feature that no longer seems to have a purpose is a?
Homologous structure
Analogous structure
Vestigial structure
None of the above
The three species pictured do not share a common ancestor, yet have evolved to have a similar anatomy and life style. This is an example of ?
Homologous Structures
Divergent Evolution
Vestigial Organs
Convergent Evolution
Highly specialized species tend to evolve on islands. Based on island biogeography, which would experience the greatest decline of specialist species if an invasive species emigrated from the mainland?
A small island a far distance from the mainland
A small island in close proximity to the mainland
A large island a far distance from the mainland
A large island in close proximity to the mainland
A virus killed most of the seals in the North Sea. To preserve the species, scientists caught 20 of the remaining seals and started a new population in the northwest Pacific Ocean. How could the new population be described?
Less genetic diversity than the original population
More genetic diversity than the original population
Equal genetic diversity compared to the original population
None of the answers
Happens only in small populations, and is the change in the frequency of a gene variant (allele) in a population.
Extinction
Genetic Drift
Bottleneck Effect
Gene Flow
I eat dead animals, unicellular organism, and have no nucleus, what am I?
Protist
Plant
Fungi
Bacteria
I eat by digesting dead organism. I grow on land and have a nucleus. What am I?
Animals
Fungi
Plants
Bacteria
A student discovers an arachnid with a segmented abdomen, a tail, has a stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?
Scorpion
Wind Scorpion
Daddy long legs
Tick
Which of the following correctly gives the levels of organization from smallest to largest?
Population, community, ecosystem, biosphere, biome
Organelle, cell, tissue, organ, organ system, organism
Population, community, ecosystem, organism, organ system
Cell, tissue, organ, organelle, organ system, organism, population
What is the function of antibodies within the immune system?
Antibodies kill off any antigen that enters the body.
Antibodies are only made when you are given a vaccination for specific antigens.
Antibodies bind to specific antigens to flag for destruction.by the white blood cells
Antibodies are part of an external defense mechanism.
When you eat food, a hormone is secreted by the pancreas to control the amount of sugar or glucose levels in your blood, called insulin. What systems work together to produce and transport this hormone?
Digestive and Nervous
Circulatory and Endocrine
Immune and Endocrine
Muscular and Nervous
You are sitting around a camp fire roasting marshmallows. You get too close to the fire and your jacket catches fire. What body systems work together to produce a response to your jacket catching fire?
Muscular and Reproductive
Circulatory and Respiratory
Immune and Endocrine
Nervous, Muscular, and Skeletal
What systems would be involved in kicking a soccer ball?
Muscular, Endocrine, Respiratory
Digestive, Circulatory, Integumentary
Immune, Circulatory, Endocrine
Muscular, Skeletal, and Nervous
Which two body systems interact in the lungs?
Excretory and Reproductive systems
Endocrine and Lymphatic systems
Nervous and Muscular systems
Circulatory and Respiratory systems
Why is the maintenance of homeostasis important to multicellular organisms?
To keep the internal conditions best for a healthy body.
To have the internal environment match the external environment
Their cells need to be able to respond rapidly to drastic changes in their external enviornment
Their internal environment must provide their cells with a wide range of conditions
What is transpiration and why does a plant lose so much water?
Excess water being released from the roots by due to the phloem
When excess sugar is being transported down the plant from the leaves, water helps it flow down
A part of photosynthesis that uses a ton of water
Water vapor is sucked out of the leaves by evaporation which cause water pressure to pull the water up the plant against gravity
Which of the following indicates the pathway of water through a plant?
roots --> xylem --> mesophyll --> stomata
stomata --> roots --> phloem --> mesophyll
roots --> phloem --> mesophyll --> stomata
stomata --> mesophyll ---> xylem ---> roots
What is the primary function of a plant's roots?
To protect the plant from insects that live in the ground
To absorb nutrients and water for the plant to do photosynthesis
To help the plant get food
To help the plant eat soil
Pollination is the process by which pollen
causes people to sneeze
is formed inside a plant
moves from stamen to pistil
becomes awesome
The main function of stomata is to
capture sunlight
protect leaves from insects
allow gases to move rapidly in/out of leaves
release sugars into the atmosphere
Why is it that leaves in a rainforest are usually much much bigger than leaves that are in warm drier sunny climates?
Big leaves catch more rain to help the roots
Small leaves are on plants that get plenty of water through the roots
Big leaves are necessary to catch as much sunlight in crowded forests as possible, small leaves for dry areas so they do not lose too much water
Small leaves are necessary to catch as much sunlight in crowded forests as possible, big leaves for dry areas so they do not lose too much water
Roots of a tree growing towards the water line of a house.
Geotropism
Phototropism
Thigmotropism
Hydrotropism
Plants curling around a pole or mailbox is an example of:
Phototropism
Chemotropism
Geotropism
Thigmotropism
Organisms that make their own food using abiotic factors (you may select more than one answer)
autotrophs
heterotrophs
producers
consumers
Life is organized in a hierarchical fashion. which of the following sequences illustrates that hierarchy as it goes upward?
ecosystem, population, community, organism, biosphere, biome
population, organism, ecosystem, community, biome, biosphere
organism, biosphere, population, community, biome, ecosystem
organism, population, community, ecosystem, biome, biosphere
Jacob is going out to his grandparents farm. On the farm is a stream that he likes to fish at. When he is fishing he sees many different species of fish as well as maple and oak trees and dragonflies. What Jacob is seeing is an example of what level of organization?
organism
population
community
ecosystem
How do pioneer species compare in primary and secondary succession?
primary starts with grass and weeds, secondary starts with mosses
primary starts with forest fire, secondary starts with volcano
primary starts with a volcano, secondary starts with a forest fire
Lichens and moss in primary, and grasses/ ferns in secondary
Energy is passed on from one trophic level to the next. most of the energy is lost as heat due to cellular respiration or waste. What term describes this?
Tertiary Consumer
Biotic Factor
Abiotic Factor
10% Rule
In the illustration, which organism is on multiple trophic levels?
Grass
Owl
Frog
Squirrel
Which is considered an omnivore in the illustration?
The Robin
The Owl
The Fox
The Tree
What is the original source of all energy in an ecosystem?
Decomposers
Consumers
The Sun
The force
Native sponges and introduced muscles are both filter feeders in many of the Great Lakes. What is the ecological relationship?
Mutualism
Parasitism
Commensalism
Competition
Ants protect soft bodied aphids and in return the aphids feed the ants a sugary drink. What is the ecological relationship?
Predation
Parasitism
Commensalism
Mutualism
What would happen to this ecosystem if a disease killed the prairie grass?
The snake population would increase
There would be more squirrels
The deer would die or migrate elsewhere
There would be more sunlight
The greenhouse effect is caused when the sun's rays bounce off the earth's surface (mainly water) and back up to escape the atmosphere. However most are now being trapped in the atmosphere by?
Nitrogen from bacteria
Carbon from burning fossil fuels
Oxygen from humans
Methane from eating too much beans
Kudzu (native to east Asia) has overgrown many parts of southern Missouri and native ground plants have disappeared from the area. This is an example of:
Parasitism between kudzu and the native plants
A predator prey relationship between ground plants and kudzu
Competition occurring between the native and invasive species
Commesalism occurring between the kudzo and native plants
The diagram shows changes in white rhino population over two decades. What could have caused the massive decrease in population?
increasing food supply
decreasing population of predators
high rates of pregnancy
habitat destruction
What role does bacteria play in soil ecosystems?
They add air to the soil
They break down rock
They return nutrients to the soil
They tunnel through the soil
The Texas Kangaroo Rat, native to north-central Texas, makes its home in mesquite bushes. If the mesquite bushes are cleared for human homes, what might happen to the species?
The rat population will increase
The rat population will decrease
The rat population will stay the same
The rat population will double
Coral make hard outer skeletons to protect their bodies. Over time, these outer skeletons can build up to make large coral reefs. How does the formation of a coral reef change the ocean ecosystem?
It make the ocean water saltier.
It removes sand from the ocean floor.
it creates a habitat for some ocean animals.
It takes away space for other animals' habitats.
