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Ecological Relationships

Total questions: 16

Worksheet time: 9mins

Name
Class
Date
1.

Interspecific competition is competition among

a)

organisms from one species

b)

organisms from two or more species

c)

predators and prey

d)

parasite and host

2.

In a commensal relationship

a)

both parties benefit

b)

neither party benefits

c)

one party benefits and the other is helped

d)

one party benefits and the other is neither helped nor harmed

3.

A bird living in a tree is an example of

a)

parasitism

b)

mutualism

c)

commensalism

d)

symbiosis

e)

predatory-prey

4.

Which of the following helps to explain the cyclical relationship between predatory and prey population sizes?

a)

As prey increases, predator increases

b)

As prey increases, predator decreases

c)

As predator increases, prey increases

d)

As predator increases, prey decreases

e)

As the prey decreases, predator decreases

5.

Intraspecific competition is competition among ______.

a)

organisms from two or more species

b)

predator and prey

c)

parasite and host

d)

organisms within a species

6.

The process of change in a ecological community over time is __________.

a)

evolution

b)

Law of conservation

c)

succession

d)

systems thinking

7.

Rocks, lichens, and mosses. Oh my!

a)

Secondary sucesssion

b)

Ecological succession

c)

Primary succession

d)

Old field succession

8.

Top of a food chain, population control, hunting in groups, sleeping 20 hours a day....

a)

What is a habitat?

b)

What is a generalist?

c)

What is a niche?

d)

What is a top predator?

9.

Which one is not like the others?

a)

mutualism

b)

predation

c)

parasitism

d)

commensalism

10.

The idea that the biotic and abiotic are interconnected and interdependent...

a)

evolution

b)

ecology

c)

symbiosis

d)

systems thinking

11.

In the northeastern forests of the US are 5 species of warblers that compete for insects in the same tree; however, each species only hunts in a portion of the tree. This scenario describes a _____.

a)

habitat

b)

fundamental niche

c)

specialist

d)

realized niche

12.

The koala living high in a tree eating eucalytus leaves is a _____, while a mouse will live in almost any environment and consume seeds, nuts, and grains is a ______.

a)

herbivore, primary consumer

b)

generalist, specialist

c)

primary consumer, scavenger

d)

specialist, generalist

13.
What is the term for each step in the transfer of energy and matter within a biological community?
a)
energy path
b)
food web
c)
trophic level
d)
food pyramid
14.
What makes Fungi so unique when it comes to trophic levels?  
a)
They are producers so they can be high or low 
b)
They are consumers of only plants
c)
They are consumers of all types of organisms because they decompose 
d)
They are consumers of only the primary trophic level
15.
Organisms that look similar and can produce fertile offspring
a)
Species
b)
Fish
c)
Community
d)
Trees
16.

The amount of energy that usually transfers from one trophic level to the next...

a)

10%

b)

20%

c)

90%

d)

50%