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Apologia Biology > Test for Module 13 > Flashcards

Test for Module 13 Flashcards

1
Q
A

clitellum

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2
Q

Which phylum of animals discussed in this module has nematocysts

A

Cnidaria

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3
Q

mantle

A

a sheath of tissue that encloses the vital organs of a mollusk, makes the mollusk’s shell, and performs respiration

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4
Q

What is the difference between an open circulatory system and a closed circulatory system?

A

In an open circulatory system the blood is pumped into chambers where it comes in direct contact with tissues and organs. In a closed circulatory system, the blood stays in vessels.

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5
Q

What phylum does a flatworm belong to?

A

platyhelminthes

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6
Q

hermaphroditic

A

possessing both the male and the female reproductive organs

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7
Q

What phylum does a jellyfish belong to?

A

cnidaria

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8
Q

What phylum does a snail belong to?

A

mollusca

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9
Q
A

oviduct

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10
Q

nematocysts

A

small capsules that contain a toxin which is injected into prey or predators

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11
Q

What phylum does a segmented sea worm belong to?

A

annelida

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12
Q

vertebrates

A

animals that possess a backbone

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13
Q

What does the term cephalization mean?

A

the concentration of nerves and sensory organs in the anterior or “head” end of an organism

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14
Q

posterior end

A

the end of an animal that contain its tail

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15
Q

When an earthworm mates, its seminal vesicles are ___ and its seminal receptacles get ___.

A

emptied; filled

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16
Q

invertebrates

A

animals that have a backbone

17
Q

What is the common mode of asexual reproduction among the organisms of phylum cnidaria?

A

budding

18
Q
A

ganglia

19
Q
A

dorsal blood vessel

20
Q

What function does the cuticle perform in an earth worm?

A

it allows the earthworm to get oxygen and release carbon dioxide

21
Q

an organism with two shells

A

bivalve

22
Q

What is the difference between a gastrovascular cavity and a complete digestive tract?

A

A gastrovascular cavity or digestive sac has only one opening for food to enter and wastes to exit. A complete digestive tract is a one-way tube with two openings - a mouth at one end where food enters, and anus at the other end where wastes exit.

23
Q

What phylum does sponge belong to?

A

porifera

24
Q

What do sponges eat and how do they get their food?

A

the algae, bacteria, and organic matter that is in the water

25
Q

What is the common mode of asexual reproduction among the organisms of phylum platyhelminthes?

A

regeneration

26
Q

What is the difference between a hard, prickly sponge, and a soft sponge?

A

hard, prickly sponges contain spicules while soft sponges contain spongin

27
Q

Parasites can have ___ because they need not search for food.

A

simple nervous system

28
Q
A

esophagus

29
Q
A

ventral nerve cord

30
Q
A

seminal vesicle

31
Q

an organism with a single shell

A

univalve

Apologia Biology (20 decks)

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