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Unit 3 Bend 1 Review

Total questions: 17

Worksheet time: 4hrs 15mins

Name
Class
Date
1.

Which of the following are examples of an abiotic factor?

a)

branch

b)

soil

c)

rock

d)

mushroom

2.

Which is an example of a biotic factor

a)

sand

b)

water

c)

grass

d)

precipitation

3.

The availability of resources affect the carrying capacity of ecosystems.

a)

True

b)

False

4.

What is a limiting factor

a)

any living factor in the environment

b)

a group of interacting populations that occupy the same area at the same time

c)

any nonliving factor in the environment

d)

any factors that restrict numbers, reproductions, or distribution of organisms

5.

An energy pyramid is used to show _____.

a)

the amount of energy at each trophic level

b)

the amount of energy in the universe

c)

the layout of organisms in any order seen fit

6.

Organisms that eat only other animals are categorized as

a)

detritivores

b)

herbivores

c)

carnivores

d)

omnivores

7.

Which is a possible reason for the relatively quick spread of a disease?

a)

an abiotic factor

b)

increased population density

c)

increased immunity

d)

a decreased food supply

8.

Factors that include precipitation, temperature, climate, sunlight are all examples of ________________ factors.

a)

biological

b)

ecological

c)

biotic

d)

abiotic

9.

Migration of animals in the savanna is mostly a response to

a)

predation

b)

altitude

c)

rainfall

d)

temperature

10.

What determines the carrying capacity?

a)

Amount of poachers

b)

Amount of food

c)

Amount of precipitation

d)

The area or space

11.

According to Lindeman's theory regarding the transfer of energy within trophic levels, only about 10% of biomass (food) is __________________________.

a)

stored while moving up trophic levels

b)

lost in the environment

12.

Trophic levels make up food chains/webs and show energy levels.

a)

True

b)

False

13.

What is the bottom level of the energy pyramid, also known as the food chain.

a)

consumer

b)

herbivore

c)

producer

14.

What is the top level of the energy pyramid, also known as the food chain.

a)

consumer

b)

herbivore

c)

producer

15.

A part of a virus is not included in the vaccine.

a)

True

b)

False

16.

How does herd immunity occur?


Select all that apply.

a)

when an accurate vaccine is created and distributed

b)

when the disease can no longer spread

c)

it occurs when enough organisms become immune to a disease to make its spread unlikely

17.

Population density is

a)

how much vegetation grows in an area

b)

how selective animals are

c)

carrying capacity

d)

the number of individual organisms in an area