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WorksheetsIntroduction to Animals
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
A hollow ball of cells is called?
a)
Blastula
b)
Gastrula
c)
Zygote
2.
The Hydra is an example of what body form found in Cnidarians?
a)
medusa
b)
larvae
c)
polyp
3.
What system is responsible for how organisms respond to the environment?
a)
muscular
b)
excretory
c)
respiratory
d)
nervous
4.
Sexual reproduction is necessary for a species to maintain what?
a)
genetic clones
b)
genetic material
c)
genetic diveristy
5.
What type of symmetry is organized around a central point?
a)
radial
b)
assymetry
c)
bilateral
6.
Animals are different from protists and fungi because they are _____________ and they can _______________.
a)
autotrophic, move
b)
heterotrophic, sessile
c)
autotrophic, sessile
d)
multicellular, move
7.
mammals, amphibians, reptiles, and birds are ____________ (have a backbone)
a)
vertebrates
b)
invertebrates
c)
exoskeleton
d)
endoskeleton
8.
Large animals require a ___________ system to move materials around within their bodies.
a)
excretory
b)
respiratory
c)
muscular
d)
circulatory
9.
A jellyfish is an example of the ___________ body form found in Cnidarians.
a)
polyp
b)
medusa
c)
larvae
10.
Which animal below is assymetrical?
a)
Dog
b)
Fish
c)
Sponge
d)
Jellyfish
11.
Which animal is an example of bilateral symmetry?
a)
sponge
b)
butterfly
c)
Sea Anemone
12.
Which animal is an example of radial symmetry?
a)
sea sponge
b)
Cat
c)
Horse
d)
Starfish
13.
Which phylum do Hydra belong to?
a)
Porifera
b)
insecta
c)
Arthropoda
d)
Cnidaria
14.
Which Phylum do Clams belong to?
a)
Chordata (Vertebrates)
b)
Mollusca
c)
Arthropoda
15.
Which phylum do Humans belong to?
a)
Chordata
b)
Arthropoda
c)
Mollusca
d)
Annelida
16.
The head region of an animal is referred to?
a)
anterior
b)
posterior
c)
dorsal
d)
ventral
17.
The top side of a fish is referred to as the __________ side
a)
anterior
b)
posterior
c)
ventral
d)
dorsal
18.
The stinging cells on Hydra tentacles are called?
a)
stinging cells
b)
amoebocytes
c)
collar cells
d)
nematocysts
19.
The cells which line the interior of a sponge are called
a)
nematocysts
b)
collar cells
c)
spicules
20.
Which of the following make up part of the skeleton of the sponge?
a)
collar cells
b)
osculum
c)
spicules
21.
How do sponges reproduce?
a)
sexually
b)
asexually
c)
Both asexually and sexually
22.
The top opening of a sponge is referred to as the _______________.
a)
Osculum
b)
spicule
c)
amoebocyte
23.
Is a sea anemone a cnidarian or sponge?
a)
cnidarian
b)
sponge
24.
Why is a paramecium not an animal?
a)
it is eukaryotic
b)
it is heterotrophic
c)
it is not multicellular
25.
Cnidarians can regenerate.
a)
True
b)
False
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