AnswersFL-2000310-Biology 1 Sem 2 - FlexOverview of Animals

Overview of Animals Answers

10 verified answers
1
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Which term represents animals with backbones?

A
invertebrates
B
heterotrophs
C
autotrophs
D
vertebrates
2
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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.
3

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A
multicellular
B
heterotrophs
C
eukaryotes
D
vertebrates
4

Clams and oysters are examples of invertebrates.

A
shell
B
backbone
C
gills
D
muscles
5

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A
homeostasis
B
heterotrophs
C
adaptation
D
eukaryotic
6

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.
7

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.
8

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.
9

Brendan made a chart to categorize the characteristics of animals.

Question illustration
A
Are multicellular
B
Have membrane-bound organelles
C
Produce their own food
D
Display an asymmetrical body plan
10

Which two characteristics do all animals have?

A
They are symmetrical and heterotrophic.
B
They are heterotrophs and have a backbone.
C
Their cells have a nucleus and membrane-bound organelles.
D
They have a backbone, and their cells have membrane-bound organelles.
11

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.
12

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.
13

Which function allows animals to find mates?

A
movement
B
homeostasis
C
reproduction
D
feeding
14

Which two characteristics describe all animals?

A
multicellular and symmetrical
B
multicellular and asymmetrical
C
heterotrophic and multicellular
D
heterotrophic and unicellular
15

Animals produce a substance called insulin, which helps them maintain healthy levels of glucose in their blood.

A
movement
B
feeding
C
reproduction
D
homeostasis

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