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Ch. 25: Animal Systems I

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

Aquatic animals that strain plants and animals from the water that they live in are:

a)

Parasites

b)

Herbivores

c)

Detritus Feeders

d)

Filter Feeders

2.

A lion that has sharp, pointed canines are best suited for:

a)

Tearing meat

b)

Filtering plankton

c)

GRinding leaves

d)

Cracking seeds

3.

Which of the following groups of animals has the most efficient gas exchange?

a)

Mammals

b)

Amphibians

c)

Reptiles

d)

Birds

4.

Gasses diffuse most efficiently across:

a)

a thin, moist, selectively permeable membrane

b)

a thin, dry, selectively permeable membrane

c)

a thick, dry, selectively permeable membrane

d)

a thick, moist, selectively permeable membrane

5.

During this type of symbiosis, an organism lives within or on a host organism where they feed on tissues or blood and other bodily fluid

a)

Commensalism

b)

Parasitism

c)

Mutualism

6.

During this type of symbiosis, one organism benefits, the other is neither helped nor harmed

a)

Commensalism

b)

Parasitism

c)

Mutualism

7.

During this type of symbiosis, both organisms benefit

a)

Commensalism

b)

Parasitism

c)

Mutualism

8.

A closed circulatory system is one in which

a)

Blood spreads freely throughout the body's tissues

b)

Blood travels through a system of blood vessels that extend throughout the body

c)

Blood travels through blood vessels into spongy cavities called sinuses

d)

Blood travels through a system of blood vessels and air sacs

9.

Oxygen constantly diffuses from air or water into an animal's bloodstream. For this to happen, the concentration of oxygen in the blood must be

a)

Greater than the concentration of oxygen in the air or water

b)

Greater than the concentration of carbon dioxide in the air or water

c)

Lower than the concentration of oxygen in the air or water

d)

Lower than the concentration of carbon dioxide in the air or water

10.

Reptiles and amphibians have _ chambers in the heart.

a)

4

b)

3

c)

2

d)

1

11.

Detritivores feed on detritus, which is:

a)

fungi and plants

b)

 decaying bits of plants and animal material

c)

roadkill

12.

A pouchlike extension of their esophagus in which symbiotic bacteria digest the cellulose of plants is

a)

Detritus

b)

Rumen

c)

Stomach