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WorksheetsLife Science Review
Total questions: 115
Worksheet time: 1hrs 20mins
Name
Class
Date
1.
This scientist discovered and named the cell.
a)
Robert Hooke
b)
Anton Van Leeuwenhoek
c)
Goldberg
d)
Mathias Schleiden
2.
Cells work together to make the following.
a)
tissues
b)
organs
c)
organ systems
d)
organism
3.
Tissues work together to make the following.
a)
cells
b)
organs
c)
organ systems
d)
organism
4.
Organs work together to make the following.
a)
cells
b)
organs
c)
organ systems
d)
organism
5.
Animal and Plant cells are both this type of cell.
a)
Eukaryote
b)
Prokaryote
6.
Bacteria cells are this type of cell.
a)
Eukaryote
b)
Prokaryote
7.
This type of cell needs a cell wall and chloroplasts
a)
Plant cell
b)
Animal Cell
c)
Bacteria
8.
The powerhouse of the cell is the...It converts energy from food into energy the cell can use
a)
Mitochondrion
b)
Golgi body
c)
Nucleus
d)
Ribosomes
9.
Where are proteins made? These are small, grain-like or rod shaped organelles.
a)
Golgi body
b)
Mitoichondrion
c)
Chromosomes
d)
Ribosomes
10.
This organelle is in both plants and animals. It is a barrier between the cell and the environment. It controls what goes in and out of a cell.
a)
cell wall
b)
cell membrane
c)
cell organelles
d)
mitochondria
11.
This cell part is in ALL cells. It is the gel-like substance that provides cell shape.
a)
Chloroplasts
b)
Chromosomes
c)
Cytoplasm
d)
Mitochondria
12.
This organelle is in all eukaryotic cells. It is the control center of the cell because it holds the DNA.
a)
Mitochondria
b)
Nucleus
c)
Chloroplasts
d)
Ribosomes
13.
This organelle is like a recycling center for the cell. It breaks down old materials. It is like a vacuum cleaner that cleans up the waste in cells.
a)
Ribosomes
b)
Lysosomes
c)
Mitochondria
d)
Chloroplasts
14.
Plants perform photosynthesis through this organelle. It captures energy from the sun and uses it to produce food for the cell.
a)
Chlorophyll
b)
Chloroplasts
c)
Mitochondria
d)
Golgi Apparatus
15.
This structure is only in plant cells. It is outside of the cell membrane and adds more support/structure to the plant.
a)
Cell membrane
b)
Cell Nucleus
c)
Cell Wall
d)
Endoplasmic Reticulum
16.
Tiny cell structures that carry out specific functions within the cell.
a)
membranes
b)
nucleus
c)
organelles
d)
animalicules
17.
This structure packages and distributes proteins throughout the cell.
a)
Golgi Body
b)
Lysosome
c)
Ribosome
d)
Mitochondria
18.
This structure is a storage area for the cell. Plants usually have one large one.
a)
Lysosome
b)
Vacuole
c)
Ribosome
d)
Golgi Body
19.
These are passageways in the cell that carry proteins and other materials from one part of the cell to another.
a)
Golgi Body
b)
Endoplasmic Reticulum
c)
Ribosome
d)
Nucleolus
20.
This protects the outside of the nucleus.
a)
Nuclear envelope
b)
Nucleolus
c)
Cell wall
d)
Cell membrane
21.
Contains the genetic material that is located in the nucleus
a)
Chromatin
b)
Nucleolus
c)
Nuclear envelope
d)
Golgi Body
22.
An organism’s genetic makeup, or combination of alleles.
a)
purebred
b)
phenotype
c)
codominance
d)
genotype
23.
An organism’s physical appearance, or visible traits.
a)
genotype
b)
dominant trait
c)
phenotype
d)
hybrid
24.
Having two different genes for a trait (sometimes called hybrid).
a)
phenotype
b)
homozygous
c)
heterozygous
d)
genotype
25.
An allele whose trait always shows up in the organism when the allele is present.
a)
recessive allele
b)
dominant allele
c)
codominant allele
d)
heterozygous allele
26.
Having two different alleles for a trait (example Hh):
a)
homozygous
b)
heterozygous
c)
dominant
d)
purebred
27.
What is genetics?
a)
the study of nucleotides.
b)
The study of heredity.
c)
The study of a cell dividing into 2.
d)
The study of chemical interactions.
28.
What is heredity?
a)
how different genes and traits are passed down from parents to children
b)
how different genes and traits are passed down from children to parents
c)
how traits are identical to parents
d)
how traits are different between siblings
29.
What is a gene?
a)
an entire chromosome that codes for a trait
b)
a piece of clothing
c)
a section of a DNA on chromosome that codes for a trait
d)
a section of RNA in the cytoplasm.
30.
What is a dominant allele?
a)
a trait that is always shown (capital letter)
b)
a trait that can be hidden (lower case letter)
c)
alleles that are the same
d)
alleles that are different
31.
One of the alternative (different) forms of a gene that governs a characteristic, such as hair color
a)
allele
b)
gene
c)
trait
d)
DNA
32.
A number that describes how likely it is that an event will occur.
a)
dominant
b)
genotype
c)
phenotype
d)
probability
33.
A single piece of coiled DNA found in the cells; contains genes that encode traits.
a)
gene
b)
chromosome
c)
trait
d)
DNA
34.
Which cellular process is shown?
a)
meiosis
b)
respiration
c)
mitosis
d)
fertilization
35.
Who is considered the "father of genetics"?
a)
Gregor Mendel
b)
Reginald Punnett
c)
James Watson
d)
Rosalind Franklin
36.
Where is DNA located?
a)
only in the brain
b)
the nucleus
c)
only in plant cells.
d)
in TrNA
37.
An organism with a hybrid trait has _________.
a)
two identical alleles for a trait
b)
only one allele for a trait
c)
two different alleles for a trait
d)
three different alleles for a trait
38.
____________________ are used to make predictions about the offspring.
a)
allele grids
b)
punnett grids
c)
punnett squares
d)
allele squares
39.
The offspring produced by crossing two individuals with different traits, where the offspring have both traits of the parents, is
a)
gene
b)
pure bred
c)
mitosis
d)
hybrid
40.
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
a)
dominance
b)
codominance
c)
heterzygous
d)
recessive
41.
Every genotype has two...
a)
alleles
b)
phenotypes
c)
traits
d)
genes
42.
An example of a phenotype...
a)
sunlight
b)
gravity
c)
personality
d)
curly hair
43.
What is the joining of the sperm and egg cell called?
a)
wilting
b)
fertilization
c)
dominant trait
d)
recessive allele
44.
You have 46 of these in your nucleus.
a)
genes
b)
genotypes
c)
chromosomes
d)
phenotypes
45.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
heterozygous
b)
homozygous
c)
codominance
d)
recessive
46.
What do you call a section of DNA that codes for a specific trait?
a)
nucleus
b)
chromosome
c)
gene
d)
DNA
47.
An organism's genotype describes its __________.
a)
genetic makeup
b)
physical appearance
48.
Purebred is another word for __________, while hybrid is another word for __________.
a)
dominant; recessive
b)
recessive; dominant
c)
homozygous; heterozygous
d)
heterozygous; homozygous
49.
The two different forms of a gene are called _________.
a)
genotypes
b)
traits
c)
phenotypes
d)
alleles
50.
Your phylum (human, that is)
a)
Echinoderm
b)
Chordate
c)
Annelid
d)
Mollusk
51.
Which is the broadest classification level?
a)
Species
b)
Family
c)
Genus
d)
Domain
52.
Which is the most specific classification level?
a)
Domain
b)
Kingdom
c)
Genus
d)
Species
53.
Domain Eukarya has ________ kingdoms.
a)
2
b)
4
c)
6
d)
8
54.
An organism’s scientific name consists of...
a)
Domain kingdom
b)
Phylum class
c)
Family order
d)
genus species
55.
Who developed the system of naming organisms with 2 names?
a)
Mendel
b)
Hooke
c)
Watson and Crick
d)
Linnaeus
56.
The 8 levels of classification, largest to smallest.
a)
Species, Genus, Family, Order, Class, Phylum, Kingdom, Domain
b)
Genus, Species, Kingdom, Domain, Phylum, Family, Class, Order
c)
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
57.
Which kingdom has all multicellular organisms that move to catch their food?
a)
Protist
b)
Fungi
c)
Plant
d)
Animal
58.
The domain Archaea:
a)
are multicellular
b)
Undergo photosynthesis
c)
have membrain bound organelles
d)
are able to tolerate extreme conditions
59.
What do protists, plants, fungi, and animals have in common?
a)
Multicellular
b)
Eukaryotic
c)
Prokaryotic
d)
Consumers
60.
Organisms in the Bacteria domain are prokaryotic.
a)
True
b)
False
61.
Which domain contains organisms that are unicellular, prokaryotic, and can cause illness yet also make food such as yogurt.
a)
Eukarya
b)
Archaea
c)
Bacteria
62.
Arctic fox has small ears. This is an example of what?
a)
body part
b)
processes
c)
behavior
d)
adaptation
63.
White fur on an arctic fox would help it do what?
a)
run
b)
hide
c)
eat food
d)
sleep
64.
A peacock displays its feathers to do what?
a)
attract females
b)
scare off little girls
c)
scare off little boys
d)
mesmerize other peacocks
65.
Caring for you, building nests, migrating are all examples of...?
a)
structures
b)
behaviors
c)
body processes
66.
Photosynthesis is a....?
a)
structure
b)
behavior
c)
body process
67.
Decay is caused by....?
a)
consumers
b)
decomposer
c)
producer
d)
society
68.
When a bear eats berries on the bush, the bear is getting energy indirectly from where?
a)
soil
b)
water
c)
sun
d)
plant
69.
The shows a possible path along which energy can move through an ecosystem.
a)
food chain
b)
food web
c)
ecosystem
d)
lunch
70.
An ecosystem has many different what?
a)
food webs
b)
food chains
71.
Which is more complex?
a)
food chain
b)
food web
72.
Who is at the bottom of an energy pyramid?
a)
producer
b)
organism
c)
consumer
d)
soil
73.
Not all of the energy a green plant captures from sunlight is passed to other organisms.
a)
True
b)
False
74.
Snake or small rodent. Which is higher in the energy pyramid?
a)
Snake
b)
Small Rodent
75.
Shows energy moving through an ecosystem?
a)
food chain
b)
food web
c)
energy pyramid
76.
More energy is available where?
a)
Top of the pyramid
b)
Middle of the pyramid
c)
Bottom of the pyramid
77.
A fungus growing on a beetle is a...?
a)
parasitism
b)
mutualism
c)
commensalism
78.
An organism that is harmed.
a)
parasite
b)
host
c)
consumer
d)
producer
79.
Helps one organism.
a)
parasitism
b)
mutualism
c)
commensalism
d)
symbiosis
80.
Fleas and ticks are examples of what?
a)
predators
b)
prey
c)
pets
d)
parasites
81.
What percent of energy from a plant is passed to first-level consumers?
a)
5%
b)
8%
c)
10%
d)
12%
82.
Which best describes an ecosystem?
a)
a system where living and nonliving things interact
b)
a place where there is always rain, soil, sunlight, and air
c)
anywhere there is only one kind of organism
d)
a system where populations stay the same
83.
In a simple food chain, a frog eats insects and a snake eats a frog. The primary role of the frog in the food chain is:
a)
to make an ecosystem
b)
to start a new species
c)
to be a source of energy.
d)
to find a new place to live
84.
What is the main source of energy in a food chain?
a)
fossil fuels
b)
sunlight
c)
water
d)
plants
85.
In which type of ecosystem is the ground beneath the surface frozen all year?
a)
wetland
b)
snow pack
c)
tundra
d)
desert
86.
Animals that only eat plants are called:
a)
omnivores
b)
carnivores
c)
producers
d)
herbivores
87.
Which of the following is a producer?
a)
dog
b)
hawk
c)
deer
d)
grass
88.
Which type of ecosystem is made up of swamps and marshes?
a)
deciduous forest
b)
desert
c)
prairie
d)
wetlands
89.
When two or more living things need the same things to live they are:
a)
symbiotic
b)
in competetion
c)
consumers
d)
prey
90.
Which of these things are passed along in a food chain?
a)
herbivores
b)
ecosystems
c)
energy and matter
d)
air and sunshine
91.
Which type of ecosystem is made up of grasslands and small shrubs?
a)
prairie
b)
wetlands
c)
desert
d)
deciduous forest
92.
What is a decomposer?
a)
the waste of dead animals and plants
b)
a consumer that gets energy by eating only plants
c)
a dead animal or plant
d)
an organism such as an earthworm that eats the remains of animals
93.
Animals that eat other animals are called:
a)
producers
b)
omnivores
c)
carnivores
d)
herbivores
94.
What is most likely to happen if most of a population of animals dies of disease?
a)
The food web will change.
b)
The food web will stop.
c)
The decomposers will die.
d)
The producers will also get the disease.
95.
When a species no longer exists
a)
extinct
b)
threatened
c)
fossilized
d)
endangered
96.
Plants that make their own food are called:
a)
herbivores
b)
omnivores
c)
producers
d)
consumers
97.
Animals that eat both plants and animals are called:
a)
omnivores
b)
carnivores
c)
producers
d)
herbivores
98.
Which of these might trees compete for in an environment?
a)
producers
b)
populations
c)
consumers
d)
resources
99.
This is a process where plants use carbon dioxide, water, and sunlight to make food.
a)
herbivore
b)
producer
c)
symbiosis
d)
photosynthesis
100.
Mountain lions are _______ because they hunt and eat prey.
a)
herbivore
b)
consumers
c)
predators
d)
scavengers
101.
Which of the following can upset the delicate balance of a food web?
a)
Disease killing off a food source
b)
Loss of habitat (such as from humans cutting down forests)
c)
Natural disaster (such as fire or flooding)
d)
All of these
102.
The changes an organism make to its behavior or body structure to be better suited for survival in an environment.
a)
Adaptation
b)
Behavior
c)
Fossil
d)
Nutrient
103.
Food, or any nourishing substance assimilated by an organism, and required for growth, repair, and normal metabolism.
a)
Behavior
b)
Adaptation
c)
Nutrient
d)
Fossil
104.
This provides information about the history of life on earth and how organisms lived and evolved over time.
a)
fossil data
b)
fossil evidence
c)
fossil record
d)
remains of fossil
105.
The remains or imprints of once living organisms are called:
a)
fossil record
b)
characteristic
c)
ecosystem
d)
fossil
106.
A species whose numbers are so small that the species is at risk of extinction.
a)
Encountered specie
b)
Endangered species
c)
Fossil specie
d)
New specie
107.
The external conditions, resources, stimuli etc. with which an organism interacts
a)
environment
b)
ecosystem
c)
evolution
d)
adaptation
108.
The process in which populations gradually change over time is called:
a)
Ecosystem
b)
Evolution
c)
Environment
d)
Extinct specie
109.
A distinguishing quality, trait or feature of an individual
a)
nutrient
b)
characteristic
c)
environment
d)
ecosystem
110.
The death of every member of a species
a)
fossil
b)
endangered
c)
evolution
d)
extinction
111.
The process in which organisms that possesses the most desirable traits and genes will be successful in surviving and producing the next generation.
a)
Adaptation
b)
Natural Selection
c)
Artificial Selection
d)
Selection
112.
Natural differences in traits within members of a specie.
a)
Adaptation
b)
Behavior
c)
Natural Selection
d)
Genetic Variation
113.
Process in which certain organisms are chosen based on their genotype and phenotype to produce offspring with the desirable traits
a)
Selection
b)
Artificial selection
c)
Natural selection
d)
Evolution
114.
When there are more organisms than the environment can support.
a)
Genetic Variation
b)
Evolution
c)
Adaptation
d)
Overproduction
115.
An individual, living thing that can react to stimuli, reproduce, grow, and maintain homeostasis.
a)
Cell
b)
Adaptation
c)
Organism
d)
Evolution
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