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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
Asexual reproduction.
B
Traits that help the organism survive in their environment.
C
Two genes working together to determine a trait.
D
Changes the structure of a gene or chromosome.
2) What is the benefit to the octopus of shooting out water in a fast jet?
A
It helps to eliminate waste.
B
It can move away quickly.
C
It helps to get food for the octopus.
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 move.
C
It supports the deer's weight.
D
It helps the deer maintain it's shape.
4) Some desert plants, like the barrel cactus, obtain water
A
Through shallow roots that quickly absorb whatever rain falls.
B
By speeding up photosynthesis.
C
By producing more chlorophyll.
D
Only at night.
5) How does the ermine's heavy white fur help it in the winter?
A
It keeps the ermine warm.
B
All of the above.
C
It allows the ermine to hunt prey undetected.
D
It hides the ermine from predators.
6) Which characteristic of the tomato plant is inherited and could change over several generations?
A
Length of worms inside
B
Color of the skin
C
Size of rotten spots
D
Number of broken branches
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 every trait is controlled by two inherited elements
D
Mendel showed that tiny particles from every part of the body of each parent became blended and prod
8) Which characteristic of roses is most likely to change over several generations?
A
The structure of the plant's cells
B
The scent of the flowers
C
How the plant makes food
D
How the plant responds to sunlight
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 number of limbs they have
D
The structure of their cells
10) Some birds have a small, sharp beak. How does this characteristic best help birds survive?
A
It allows them to frighten predators by making screeching sounds
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 preen their feathers to keep clean and dry
11) Adaptation
A
A physical feature that helps an organism look well-groomed
B
A physical inherited or adapted trait that helps an organism survive in its habitat
C
The coloring, marking, or other physical appearance of an animal that makes it blend with its sur
D
An adaptation that allows an animal to protect itself by looking like another animal/plant
12) Camouflage
A
An adaptation that allows an animal to protect itself by looking like another kind of animal/plant
B
To move to another region, typically when seasons change and food supplies become scarce
C
The coloring or other physical appearance of an animal that makes it easier for hunters to see them
D
The coloring or other physical appearance of an animal that makes it blend in with its surroundings
13) Mimicry
A
To move to another region when supplies are low
B
An adaptation that allows an organism to hide
C
The coloring, marking, and appearance of an organism that makes it blend in with its surroundings
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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