AnswersHSBIO Biology Sem 1 26-27Lab: Diffusion Across a Semi-permeable Membrane

Overview of Animals Answers

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1
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What is a function of the backbone in animals?

A
It protects against predators.
B
It regulates blood glucose.
C
It surrounds the spinal cord.
D
It limits movement.
2
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multicellularheterotrophseukaryotesvertebrates

A
multicellular
B
heterotrophs
C
eukaryotes
D
vertebrates
3

Which statement best explains why invertebrates often have outer skeletons but vertebrates do not?

A
The outer skeleton provides protection, since invertebrates do not have backbones.
B
The outer skeleton surrounds the spinal cord, since invertebrates do not have backbones.
C
The outer skeleton helps invertebrates maintain homeostasis, since they lack spinal cords.
D
The outer skeleton helps invertebrates maintain homeostasis, since they lack membrane-bound organelles.
4

Which statement describes a difference between a jellyfish and a frog?

A
A jellyfish lacks vertebrae, whereas a frog has a spinal cord.
B
A jellyfish cannot reproduce sexually, but a frog can.
C
A jellyfish makes its own food, whereas a frog is a heterotroph.
D
A jellyfish is a prokaryote, whereas a frog is a eukaryote.
5

Which function allows animals to find mates?

A
movement
B
homeostasis
C
reproduction
D
feeding
6

A scientist discovers a new organism and is trying to classify it. Which observations would most likely indicate that the organism is an animal?

A
It is multicellular and can move itself from place to place.
B
It is heterotrophic and unicellular.
C
It makes food from sunlight and is eukaryotic.
D
It is prokaryotic and can move itself from place to place.
7

Clams and oysters are examples of invertebrates.

A
shell
B
backbone
C
gills
D
muscles
8

Which term represents animals with backbones?

A
invertebrates
B
heterotrophs
C
autotrophs
D
vertebrates
9

What do all vertebrates and invertebrates have in common?

A
They are prokaryotic.
B
They are covered by an outer skeleton.
C
They are multicellular.
D
They are bilaterally symmetrical.
10

A scientist is studying an organism and has classified it as an animal.

A
It is multicellular.
B
It displays radial symmetry.
C
It has a backbone.
D
It contains cells without nuclei.

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Overview of Animals Answers — HSBIO Biology Sem…