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Unit 3 Review

Total questions: 29

Worksheet time: 44mins

Name
Class
Date
1.

Are viruses cells?

a)

Yes

b)

No

c)

Sometimes

d)

Maybe

2.

Which 2 things do all viruses contain?

a)

Genetic material (DNA or RNA)

b)

Capsid

c)

Envelope

3.

A virus has to infect a host cell in order to replicate and make more copies of the virus.

a)

True

b)

False

4.

Proteins on an "invader" to the body that the immune system recognizes and reacts to are called

a)

antibiotics

b)

antivirals

c)

antibodies

d)

antigens

5.

Proteins your immune system makes to target and attach to "invaders" are called

a)

antibiotics

b)

immunity

c)

antibodies

d)

antigens

6.

What is it called when a large part of a population is immune to a specific disease, through vaccination or having antibodies from exposure to the pathogen, reducing the ability for the pathogen to spread?

a)

active antibody sharing

b)

protection factor

c)

population immunity

d)

herd immunity

7.

A substance used to "teach" your body how to make antibodies, giving you immunity against one or several diseases is a(n)

a)

immunity

b)

vaccine

c)

antibiotic

d)

memory B and T cells

8.

The diagram shows a lymphocyte. What is the arrow pointing to on the surface of the lymphocyte?

a)

molecules called antigens

b)

molecules called antibodies

9.

The diagram shows a pathogen, what is the arrow pointing to on the surface of the pathogen?

a)

a molecule called an antigen

b)

a molecule called an antibody

10.
What do B cells produce?
a)
antigens
b)
macrophages
c)
T cells
d)
antibodies
11.

The innate immunity is

a)

specific

b)

non - specific

12.

Adaptive immunity is

a)

Specific

b)

Non-specific

13.

Adaptive immunity includes

a)

B memory cells, Antibodies, T cells

b)

Antibodies only

c)

Skin, Mucus, Cilia, Stomach acid

d)

Adaptives

14.

Analyze the positions of the plants and the animals in the food web pictured above. What type of impact could occur if there were a sudden decrease in the snake population?

a)

There would be a decrease in the number of shrews, rabbits, and mountain lions.

b)

There will be an increase in the number of rabbits and shrews.

c)

There will be a decrease in the number of cacti and sagebrush plants.

d)

The mountain lion population will increase.

15.

The level in an Ecological pyramid that includes all the organisms that share the same place in a food chain.

a)

Trophic Levels

b)

Toxic Levels

c)

KeKe Levels

d)

Environmental Systems

16.

How much energy gets transferred from one level of an energy pyramid to the next?

a)

10%

b)

5%

c)

90%

d)

50%

17.

A rabbit eats grass. What is true of both the rabbit and the grass?

a)

The rabbit and the grass are both producer

b)

The rabbit and the grass are both consumers

c)

The rabbit is a producer and the grass is a consumer

d)

The rabbit is a consumer and the grass is a producer

18.

Breaks down plant and animal remains and waste into molecules that producers reuse to make energy

a)

Producer

b)

Decomposer

c)

Omnivore

d)

Carnivore

19.

Which of the following would be a primary consumer?

a)

hawk

b)

cheetah

c)

rabbit

d)

grass

20.

What type of consumer would be at the top of an energy pyramid?

a)

Primary

b)

Secondary

c)

Tertiary

21.

What level would you expect to find at the bottom of an energy pyramid?

a)

tertiary consumer

b)

primary consumer

c)

secondary consumers

d)

Autotrophs/ producers

22.

An organism that makes its own food.

a)

Autotroph

b)

Heterotroph

c)

Herbovore

d)

Carnivore

23.

What level consumer is the frog

a)

Primary Consumer

b)

Secondary Consumer

c)

Tertiary Consumer

d)

Apex Predator

24.
In an energy pyramid, energy_______ as you move up the pyramid.
a)
Increases
b)
Decreases
c)
Stays the same
d)
Changes up and down
25.

In this energy pyramid, which organisms have the most energy available?

a)

Producers

b)

Carnivores

c)

Herbivores

d)

Top Predator

26.
The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?
a)
A
b)
B
c)
C
d)
D
27.
If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?
a)
10 Kcal
b)
1 Kcal
c)
100 Kcal
d)
1000 Kcal
28.

How much of the energy in each level of a ecological pyramid gets LOST as heat or used by the organism so that it CANNOT be passed on to the next trophic level?

a)

80%

b)

90%

c)

10%

d)

20%

29.
If these organisms were arranged in an ecological biomass pyramid, which organism would have the least amount of biomass?
a)
coyote
b)
insect
c)
lizard
d)
shrub