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Smbiosis and Interactions in Ecosystems + Grade 7 Review

Total questions: 17

Worksheet time: 8mins

Name
Class
Date
1.

When both organisms in a symbiotic relationship benefit...

a)

Parasitism

b)

Mutualism

c)

Symbiosis

d)

Commensalism

2.

The organism that is harmed by the parasite is called..

a)

Host

b)

Guest

c)

Sad

d)

Parasite

3.

What are some examples of symbiosis?

a)

Parasite- Host

b)

Commensalism

c)

Mutualism

d)

Predator-Prey

e)

Consumer-Producer

4.

A symbiotic relationship where one organism benefits. The other does not benefit but is not harmed.

a)

Parasitism

b)

Symbiosis

c)

Commensalism

d)

Mutualism

5.

Multiple members of the same species in a particular area

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

6.

Defending your home and resources is an act of...

a)

Competition

b)

Cooperation

c)

Territorial Imperative

d)

Social Hierarchy

7.

Bees have different roles in their community. The workers help gather food while the queen does the egg laying. This is an act of...

a)

Territorial Imperative

b)

Cooperation

c)

Competition

d)

Social Hierarchy

8.

There are several herbivores in an African Savannah. Why might there be fewer predators such as cheetahs, lions, and leopards?

a)

Energy Availability

b)

Competition

c)

Cooperation

d)

Territorial Imperative

e)

Social Hierarchy

9.

The Blue Jay's scientific name is Cyanocitta cristata. What do we call this naming system?

a)

Classification System

b)

Binomial Nomenclature

c)

Scientific Name

d)

Trinomial Nomenclature

10.

I have a segmented body (3 parts) with jointed legs. What phylum do I belong to?

a)

Annelida

b)

Chordata

c)

Arthropod

d)

Gastropod

11.

I developed the modern system of classification with use of binomial nomenclature when classifying organisms. Who am I?

a)

Carolus Linnaeus

b)

Charles Darwin

c)

Theodore Schwann

d)

Rosalind Franklin

12.

A polar bear has a thick coat and lots of blubber to keep it warm. What is it called when an organism has things like this to help it in its environment?

a)

Mutation

b)

Adaptation

c)

Niche

d)

Predator

13.

Differences in a population (ex. blue and brown eyes) come from...

a)

Adaptations

b)

Mutations

c)

Plastic Surgery

14.

Gradual change over time in a population...

a)

Mutation

b)

Natural Selection

c)

Evolution

d)

Charles Darwin

15.

All the populations in a given area

a)

Organism

b)

Ecosystem

c)

Population

d)

Community

16.

All the populations in an area in addition to the nonliving components of that area

a)

Population

b)

Ecosystem

c)

Community

d)

Ecology

17.

In a wolf pack, the most dominant male and female are alpha. The weakest wolf is the omega. This is an example of...

a)

Competition

b)

Cooperation

c)

Social Hierarchy

d)

Territorial Imperative