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Unit 4 Lesson 5 Introduction To Animals
Test Description: Living systems at all levels of organization demonstrate the complementary nature of structure and function.
Instructions: Answer all questions to get your test result.
1) What is cell differentiation?
A
The process in which a male sex cell fertilizes a female sex cell forming an embryo.
B
The process of cells developing into cells with different functions.
C
The process of animals developing changes to their physical traits over a long period of time.
D
The process of animals obtaining energy by consuming both plants and animals.
2) What characteristic do all invertebrates share?
A
They have backbones.
B
They do not have backbones.
3) What characteristic do all vertebrates share?
A
They have backbones.
B
They do not have backbones.
4) a type of body plan in which an animal has only two sides and are mirror images
A
bilateral symmetry
B
radial symmetry
C
asymmetry
5) a type of body plan in which an animal has matching body parts that extend outward from a central point
A
bilateral symmetry
B
radial symmetry
C
asymmetry
6) a body plan that has no symmetry
A
radial symmetry
B
asymmetry
C
bilateral symmetry
7) an internal skeleton that is inside the body and attaches to muscles
A
endoskeleton
B
exoskeleton
8) a hard, external covering which supports and protects the body of some invertebrates
A
endoskeleton
B
exoskeleton
9) Why are animals considered consumers?
A
because they decompose other organisms to get food
B
because they produce their own food
C
because the eat other organisms to get food
D
because they grow their own food
10) the main reason students dissect frogs
A
because of the homology, or similarity of its internal organs to a human's
B
to make sixth-graders sick
C
it is different from a human
D
it is cold-blooded
*select an answer for all questions
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