Animal Test: Lesson 3-4 Flashcards

1
Q

Where do sponges mostly live?

A

In oceans, some live in freshwater lakes or rivers

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2
Q

What carries food, oxygen, to the sponge, take away waste, and help with reproduction

A

Water currents

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3
Q

What type of surfaces do sponges attach too?

A

Hard surfaces

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4
Q

What is the body structure of a sponge?

A

Assmmetrical

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5
Q

Invertebrates that have stinging cells and take food into a central body cavity

A

Cnidarians

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6
Q

Group of many individual animals

A

Colony

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7
Q

How does a sponge obtain oxygen?

A

Water passes over the cells

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8
Q

When speed from one sponge is released into the water and fertilizes the egg of a different sponge what is formed

A

Larva

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9
Q

What type of body structure does a Cnidarians have

A

Radial

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10
Q

A Cnidarians has a vase-shaped, what type of body plan is this?

A

Polyp

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11
Q

A bowl shaped cnidarian is called a

A

Medusa

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12
Q

How does Cnidarians obtain food?

A

Using stinging cells to make their prey helpless

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13
Q

Their are two ways Cnidarians move: why do they move these two ways?

A

To escape danger and to obtain food

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14
Q

What takes food from a host?

A

Parasite

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15
Q

What are worms that feed on dead or decaying material

A

Scavengers

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16
Q

Where do roundworms live?

A

Moist environments

17
Q

What are worms that do not live in a host?

A

Free-living

18
Q

What is the opening trough which wasted exits a worm

19
Q

What worm has a long flat body

20
Q

Which worm is long and round

21
Q

Which worm is long, round body made up of linked segments

A

Segmented worm

22
Q

Which worm is considered a parasite

23
Q

Which worms are considered free-living

A

Roundworms flatworms

24
Q

Which worm has a closed circulatory system?

A

Segmented worm

25
What is it when blood moves only inside connected network of tubes called blood vessels
Closed circulatory system
26
How do earthworms obtain oxygen
From moisture on its skin