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WorksheetsAnimals
Total questions: 23
Worksheet time: 12mins
Name
Class
Date
1.
A body plan in which an organism can be divided into two parts that are nearly mirror images of each other
a)
asymmetry
b)
bilateral symmetry
c)
radial symmetry
d)
adaptation
2.
a body plan in which an organism can be divided into two parts that are nearly mirror images of each other anywhere through its central axis
a)
radial symmetry
b)
bilateral symmetry
c)
asymmetry
d)
adaptation
3.
body plans which cannot be divided into any two parts that are nearly mirror images
a)
bilateral symmetry
b)
radial symmetry
c)
asymmetry
d)
adaptation
4.
those organisms that do not have a backbone
a)
molting
b)
Mammals
c)
Vertebrates
d)
Invertebrates
5.
those organisms that have a backbone
a)
Adaptation
b)
Molting
c)
Vertebrates
d)
Invertebrates
6.
An inherited trait that increases an organism's chances of surviving and reproducing in its environment
a)
Adaptation
b)
Molting
c)
Invertebrate
d)
Vertebrate
7.
A fluid-filled internal cavity surrounded by muscle tissue
a)
Hydrostatic skeletons
b)
Exoskeletons
c)
Endoskeletons
d)
Ectotherms
8.
A thick, hard outer covering
a)
Hydrostatic skeletons
b)
Exoskeleton
c)
Endoskeleton
d)
Ectotherm
9.
An internal rigid framework that supports you and other animals
a)
Exoskeletons
b)
Endoskeletons
c)
Hydrostatic skeletons
d)
Ectotherms
10.
Spiny skin, hard endoskeletons, live in salt water, EX: Sea star
a)
Echinoderms
b)
Ectotherms
c)
Endotherms
d)
Notochords
11.
Have 4 main traits in common: notochord, tail, nerve cord, and pharyngeal pouch
a)
Sponges
b)
Molting
c)
Metamorphosis
d)
Chordates
12.
A flexible rod shaped structure that supports the body of a developing chordate
a)
Notochord
b)
Pharyngeal pouch
c)
tail
d)
Nerve cord
13.
Animals that heat their bodies from heat in their environments
a)
Exoskeleton
b)
Endotherms
c)
Ectotherms
d)
Endoskeleton
14.
Animals that generate their body heat from the inside
a)
Exotherms
b)
Endotherms
c)
Exoskeletons
d)
Endoskeletions
15.
Animals that survive inside or on another organism, get food from the organism, and do not help the organism survive
a)
Mollusks
b)
Cnidarians
c)
Sponges
d)
Parasite
16.
Only a few types of cells and no true tissue; often called simple animals
a)
Mollusks
b)
Sponges
c)
Mammals
d)
Roundworms
17.
Molts, has a hard outer covering, an exoskeleton, 3 body parts: head, thorax, abdomen EX: insects, spiders, centipedes
a)
Cnidarians
b)
Mollusks
c)
Arthropods
d)
Roundworms
18.
The body form of an animal changes as it grows from an egg to an adult
a)
Metamorphosis
b)
Molting
c)
Adaptations
d)
Parasites
19.
These animals inject poison into animals that they come in contact with. EX: jellyfish
a)
Mollusks
b)
Cnidarians
c)
Segmented worms
d)
Roundworms
20.
An outer covering is shed and replaced in this process
a)
Molting
b)
Adaptation
c)
Metamorphosis
d)
Endoskeleton
21.
Hydrostatic skeletons, tunnel through the soil to absorb nutrients from the soil. EX Earthworms
a)
Parasites
b)
Mollusks
c)
Cnidarians
d)
Segmented worms
22.
Have a foot-like muscle that is used for movement, has a mantle. EX: snail, slug
a)
Cnidarians
b)
Roundworms
c)
Mollusks
d)
Segmented worms
23.
Can infect humans and some can harm plant roots
a)
Parasites
b)
Cnidarians
c)
Mollusks
d)
Roundworms
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