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Ecology-Set 3

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

An ecological succession that begins in an area where no biotic community previously existed is called _________.

a)

primary succession

b)

secondary succession

c)

tertiary succession

d)

climax community

2.

Succession following a disturbance that destroys a community without destroying the soil is known as _________

a)

secondary succession

b)

primary succession

c)

tertiary succession

d)

climax succession

3.

Fill in the blank: One of any living organism is referred to as an _________

a)

organism

b)

animal

c)

plant

d)

cell

4.

Place where an organism lives and that provides the type of food, shelter, moisture and temperature needed to survive is called a _________.

a)

habitat

b)

ecosystem

c)

niche

d)

biome

5.

A chain showing how energy passes from one organism to the next is known as a _________

a)

food chain

b)

energy cycle

c)

nutrient path

d)

life web

6.

Fill in the blank: The largest number of individuals of a particular species that an ecosystem can support over time is called _________.

a)

carrying capacity

b)

population limit

c)

environmental threshold

d)

species maximum

7.

Large geographic areas with similar climates and ecosystems, such as tundra, desert, tropical rainforest, temperate rainforest, grassland, arctic tundra, temperate deciduous forest, are known as _________.

a)

biomes

b)

continents

c)

countries

d)

regions

8.

Anything that can limit the size of a population, including living and nonliving features of an ecosystem, such as predators or drought, is called a _________.

a)

limiting factor

b)

ecosystem

c)

habitat

d)

population

9.

Shows the direction in which energy flows. As the amount of available energy decreases, the pyramid gets smaller. Each layer on a pyramid is called a trophic level. This is known as an _________

a)

energy pyramid

b)

food chain

c)

biomass pyramid

d)

ecological succession

10.

The transfer of energy from one organism to another through food webs is called _________.

a)

energy flow

b)

photosynthesis

c)

respiration

d)

decomposition

11.

A complex network of many interconnected food chains and feeding relationships is known as a _________

a)

food web

b)

ecosystem

c)

biome

d)

habitat