WorksheetsChapter 24 Biology
Total questions: 41
Worksheet time: 21mins
Name
Class
Date
1.
Animal with an endoskeleton and a backbone
a)
Invertebrate
b)
Vertebrate
c)
Endoskeleton
d)
Exoskeleton
2.
Internal skeleton
a)
Bilateral
b)
Radial
c)
Endoskeleton
d)
Exoskeleton
3.
Balance or similarity in body structures of organisms
a)
Symmetry
b)
Asymmetry
c)
Radial
d)
Bilateral
4.
Inner layer of cells in the gastrula that develops
a)
Endoskeleton
b)
Exoskeleton
c)
Endoderm
d)
Ectoderm
5.
Body plan that can be divided into mirror images along only one plane through the central axis
a)
Assymetry
b)
Radial
c)
Bilateral
d)
Endoderm
6.
Irregular shape no symmetry or balance
a)
Asymmetry
b)
Symmetry
c)
Bilateral
d)
Radial
7.
Animal without a backbone
a)
Vertebrate
b)
Endoskeleton
c)
Exoskeleton
d)
Invertebrate
8.
Outer layer of cells in the gastrula that develops into nervous tissue and skin
a)
Endoskeleton
b)
Exoskeleton
c)
Endoderm
d)
Ectoderm
9.
Hard or tough outer covering of many invertebrates
a)
Endoskeleton
b)
Exoskeleton
c)
Endoderm
d)
Ectoderm
10.
Body plan that can be divided along any plane, through central axis, into roughly equal halves
a)
Asymmetry
b)
Bilateral
c)
Radial
d)
Endoderm
11.
An organism that filters small particles from water to get its food
a)
Collar-cells
b)
Filter Feeder
c)
Polyp
d)
Medusa
12.
A capsule that holds a coiled, threadlike tube containing poison and barbs
a)
Gastrovascular Cavity
b)
Cnidocytes
c)
Collar-cells
d)
Nematocyte
13.
This means stinging cells
a)
Cnidarian
b)
Cnidocytes
c)
Collar-cells
d)
Nematocyte
14.
An umbrella shaped body and tentacles that hang down
a)
Cnidarian
b)
Medusa
c)
Polyp
d)
Nerve Net
15.
The space surrounded by an inner cell layer, where digestion takes place
a)
Collar-cells
b)
Nerve Net
c)
Gastrovascular Cavity
d)
Sessile
16.
This provides a mean for feeding, respiration, circulation, and excretion in sponges
a)
Filer Feeder
b)
Collar-cells
c)
Nematocyte
d)
Sessile
17.
A tube shaped body and a mouth surrounded by tentacles
a)
Medusa
b)
Polyp
c)
Nerve Net
d)
Cnidocytes
18.
A nervous system that conducts impulses in cnidarian
a)
Collar-cells
b)
Filter Feeder
c)
Nerve Net
d)
Gastrovascular Cavity
19.
An organism permanently attached to one place
a)
Sessile
b)
Filter Feeder
c)
Cnidocytes
d)
Nematocyte
20.
The stinging cells located on tentacles of cnidarians
a)
Cnidocytes
b)
Collar-cells
c)
Nematocytes
d)
Nerve Net
21.
An animal that produces both sperm and eggs in its body
a)
Cephalization
b)
Hermaphrodite
c)
Protostome
d)
Pseudocoelom
22.
The tendency to concentrate sensory organs and nervous tissue at an animal's anterior end
a)
Cephalization
b)
Deuterostome
c)
Gastrula
d)
Hermaphrodite
23.
A fluid-filled body cavity completely surrounded by mesoderm
a)
Blastula
b)
Coelom
c)
Gastrula
d)
Prostome
24.
A coelomate animal whose anus develops from the opening in the gastrula
a)
Coelom
b)
Deuterostome
c)
Gastrula
d)
Pseudocoelom
25.
The shedding of old exoskeleton and making a new one
a)
Sessile
b)
Hermaphrodite
c)
Molting
d)
Acoelomate
26.
A coelomate animal whose mouth develops from the opening in the gastrula
a)
Deuterstome
b)
Protostome
c)
Blastula
d)
Acoelomate
27.
A fluid-filled body cavity between the mesoderm and the endoderm
a)
Acoelomate
b)
Blastula
c)
Gastrula
d)
Pseudocoelom
28.
An animal with a solid body that lacks a fluid-filled body cavity between the gut and the body wall
a)
Acoelomate
b)
Cephalization
c)
Protostome
d)
Pseudocoelom
29.
A fluid-filled ball of cells formed by mitotic cell division of the embryo
a)
Blastula
b)
Coelom
c)
Gastrula
d)
Molting
30.
A two-cell-layer sac with an opening at one end that forms from the blastula during embryonic development
a)
Blastula
b)
Coelom
c)
Gastrula
d)
Protostome
31.
Asexual reproduction in sponges when: small growth develops, drops and settles
a)
Fertilization
b)
Budding
c)
Fragmentation
d)
Gemmules
32.
Asexual reproduction in sponges when: piece of sponge falls off and develops into an adult
a)
Fertilization
b)
Budding
c)
Fragmentation
d)
Gemmules
33.
Asexual reproduction in sponges when: seed like particles protected by spicules form
a)
Fertilization
b)
Budding
c)
Fragmentation
d)
Gemmules
34.
Sexual reproduction in sponges when: one sponge releases egg cells and another releases sperm cells
a)
Fertilization
b)
Budding
c)
Fragmentation
d)
Gemmules
35.
Which is NOT an example of an organism with bilateral symmetry
a)
Beetle
b)
Human
c)
Bear
d)
Sponge
36.
Which is an example of an organism with asymmetry
a)
Worm
b)
Lizard
c)
Sponge
d)
Starfish
37.
Which is an example of an organism with radial symmetry
a)
Sponge
b)
Human
c)
Starfish
d)
Worm
38.
The backside of an animal with bilateral symmetry
a)
Dorsal
b)
Ventral
c)
Anterior
d)
Posterior
39.
The underside or belly of an animal with bilateral symmetry
a)
Dorsal
b)
Ventral
c)
Posterior
d)
Anterior
40.
Toward the head end of an animal with bilateral symmetry
a)
Dorsal
b)
Ventral
c)
Posterior
d)
Anterior
41.
Away from the head end of an animal with bilateral symmetry (Tail end)
a)
Dorsal
b)
Ventral
c)
Posterior
d)
Anterior
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