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ADV 7th Benchmark Review 2-c
Test Description: Test prep for 7th grade life science
Instructions: Answer all questions to get your test result.
1) The process by which individuals that are better adapted to the environment are more likely to survive and reproduce is called
A
natural selection
B
competition
C
overproduction
D
evolution
2) Which of the following is the best example of an adaptation that helps an organism survive in its environment?
A
extensive root system in a desert plant
B
green coloring in a lizard that lives on gray rocks.
C
a thick coat of fur on a desert-dwelling animal
D
thin, delicate leaves on a plant in cold climate
3) Which of the following is the weakest evidence supporting a close evolutionary relationship between two animals?
A
The amino acid sequence in mouse hemoglobin is similar to the amino acid sequence of in chimpanzees
B
Lesser pandas look like bears
C
Human embryos look like turtle embryos in their early development
D
The bones on a bird's wings are similar to the bones of a dog's legs.
4) If cat's depend mainly on mice for food, and most of the mice are killed by disease, what would be the most likely effect on the cat species?
A
There would be no long-term effects on the cat species
B
The cat species would loose its genetic diversity
C
All cats would die of starvation
D
Those cats that eat things other than mice will survive and reproduce
5) Scientists have discovered fossils of whalelike animals that had legs instead of flippers. This evidence most likely indicates that the ancestors of whales used to
A
never became extinct
B
live on land
C
evolved gradually rather than during short periods of rapid change
D
live in the ocean
6) Changes in a species over long periods of time are called
A
scientific theories
B
evolution
C
developmental stages
D
homologous structures
7) A trait that helps an organism survive and reproduce is called a(n)
A
species
B
variation
C
adaptation
D
selection
8) Similar structures that related species have inherited from a common ancestor are called
A
adaptations
B
punctuated equilibria
C
homologous structures
D
ancestral structures
9) The specific environment that provides an organism's needs is called the organism's
A
habitat
B
taxonomy
C
natural selection
D
genus
10) An organism whose cells lack nuclei is called a(n)
A
prokaryote
B
fungus
C
eukaryote
D
protist
*select an answer for all questions
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