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Unit 5 Succession

Total questions: 13

Worksheet time: 10mins

Name
Class
Date
1.

Mutualism is

a)

when one species or loses respect to some resources

b)

when one species feeds on another species

c)

an interaction between two species that both benefit

d)

an interaction between two species where only one species benefits

2.

What organisms are found in the climax community in an ecosystem like Youngsville?

a)

weeds and grasses

b)

trees and shrubs

c)

lichens and moss

d)

volcanoes and soil

3.

Primary succession would occur after which event

a)

flooding

b)

abandoned farm land

c)

forest fire

d)

lava flow

4.

Which scenario would lead to ecological succession?

a)

A keystone species being added to an ecosystem

b)

a keystone species being removed from an ecosystem

c)

factories burning fossil fuels

d)

a farmer abandoning a field

5.

Primary Succession

a)

begins on a surface that does not have soil

b)

begins in an area that has soil

c)

lichen and moss

d)

trees and shrubs

6.

Which is a benefit of biodiversity

a)

Species are connected to ecosystems

b)

Medical, industrial, and agricultural uses

c)

Species and population survival

d)

all of the above

7.

Which human activity leads to climate change

a)

burning of fossil fuels

b)

chopping down a rainforest

c)

pollution

d)

recycling

8.

A climax community is the final stable community

a)

True

b)

False

9.

The relationship between the parasite and its host

a)

mutualism

b)

parasitism

c)

symbiosis

d)

commensalism

10.

Two species living together

a)

mutualism

b)

commensalism

c)

symbiosis

d)

war

11.

Commensalism is

a)

a relationship between two species that benefits both

b)

a relationship between two species that only benefits one but doesn't hurt the other

c)

a relationship between two species that benefits one and hurts the other

d)

a relationship between two species at the beginning stage

12.

The role of a pioneer species is to break down hardened surfaces like rocks to become soil

a)

true

b)

false

13.

Secondary succession

a)

happens faster than primary succession

b)

happens slower than primary succession

c)

lichen and moss

d)

trees and shrubs