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Adaptations Review- Mrs. Ruiz
Test Description: Seventh grade Adaptations review
Instructions: Answer all questions to get your test result.
1) What are adaptations?
A
Changes the structure of a gene or chromosome.
B
Asexual reproduction.
C
Two genes working together to determine a trait.
D
Traits that help the organism survive in their environment.
2) What is the benefit to the octopus of shooting out water in a fast jet?
A
It can move away quickly.
B
It helps to get food for the octopus.
C
It helps to eliminate waste.
D
It allows the octopus to get oxygen.
3) What is the main function performed by the skin of a deer?
A
It protects the deer from the outside environment.
B
It helps the deer maintain it's shape.
C
It supports the deer's weight.
D
It helps the deer move.
4) Some desert plants, like the barrel cactus, obtain water
A
Only at night.
B
By speeding up photosynthesis.
C
By producing more chlorophyll.
D
Through shallow roots that quickly absorb whatever rain falls.
5) How does the ermine's heavy white fur help it in the winter?
A
It keeps the ermine warm.
B
It allows the ermine to hunt prey undetected.
C
It hides the ermine from predators.
D
All of the above.
6) Which characteristic of the tomato plant is inherited and could change over several generations?
A
Number of broken branches
B
Length of worms inside
C
Size of rotten spots
D
Color of the skin
7) How did the work of Gregor Mendel change the scientific explanation about how traits were inherited?
A
Mendel showed that an organism contains miniature forms of its future offspring
B
Mendel showed that traits skip a generation and are inherited grandparent to grandchild
C
Mendel showed that tiny particles from every part of the body of each parent became blended and prod
D
Mendel showed that every trait is controlled by two inherited elements
8) Which characteristic of roses is most likely to change over several generations?
A
The structure of the plant's cells
B
How the plant responds to sunlight
C
How the plant makes food
D
The scent of the flowers
9) Which characteristic of mice is most likely to change over several generations?
A
The sensitivity of their smell
B
The way in which they breathe
C
The structure of their cells
D
The number of limbs they have
10) Some birds have a small, sharp beak. How does this characteristic best help birds survive?
A
It allows them to preen their feathers to keep clean and dry
B
It allows them to tear the flesh of their prey
C
It allows them to carry materials for building nests
D
It allows them to frighten predators by making screeching sounds
11) Adaptation
A
The coloring, marking, or other physical appearance of an animal that makes it blend with its sur
B
An adaptation that allows an animal to protect itself by looking like another animal/plant
C
A physical inherited or adapted trait that helps an organism survive in its habitat
D
A physical feature that helps an organism look well-groomed
12) Camouflage
A
The coloring or other physical appearance of an animal that makes it blend in with its surroundings
B
An adaptation that allows an animal to protect itself by looking like another kind of animal/plant
C
The coloring or other physical appearance of an animal that makes it easier for hunters to see them
D
To move to another region, typically when seasons change and food supplies become scarce
13) Mimicry
A
To move to another region when supplies are low
B
The coloring, marking, and appearance of an organism that makes it blend in with its surroundings
C
An adaptation that allows an organism to hide
D
An adaptation that allows an animal to protect itself by looking like a particular animal or plant
*select an answer for all questions
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