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2nd Semester Ecosystems

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

What trend do you see happening in the wolf population?

a)

The wolf population grew, then decreased, grew again, and is mostly holding stead.

b)

The wolf population is currently very low.

c)

The wolf population is currently very high.

d)

The wolf population has remained unchanged over the years.

2.

Were there any years where the wolf population stayed the same?

a)

2010 and 2011

b)

1995 and 1996

3.

What is the amount of rainfall in October of 1993?

a)

One inch

b)

Two inches

c)

Three inches

d)

Four inches

4.

What is the amount of rainfall in September of 1994?

a)

One inch

b)

Two inches

c)

Three inches

d)

Four inches

5.

Cheatgrass is an invasive species in Colorado. Deer cannot eat it, but Elk can eat cheatgrass. According to this graph, what plant has the greatest annual probability of fire?

a)

Sagebrush

b)

Montane

c)

Cheatgrass

6.

According to the data table, what job receives highest salary?

a)

Software Engineer

b)

Chief Executive Officer (CEO)

c)

Sales Assistant

d)

Integration Specialist

7.

According to the data table, what city would the software engineer live?

a)

Tokyo

b)

London

c)

New York

d)

San Fransisco

8.

According to the graph, what animal has the lowest population?

a)

Giant pandas

b)

Mountain Gorillas

c)

Rothschild's Giraffe

d)

African Elephants

9.

What population has only 1,600 species left in the wild?

a)

Giant pandas

b)

Mountain Gorillas

c)

Rothschild's Giraffe

d)

African Elephants

10.

Which of the following events involves a consumer and a producer in a food chain?

a)

An eagle eats a frog.

b)

A butterfly eats lavender.

c)

A snake eats a rat.

d)

A thrush bird eats a fruit fly.

11.

Which of the following would best complete this food chain:

corn, grasshopper, rat, python, and ____________?

a)

eagle

b)

wolf

c)

Both eagle or wolf

12.

Food chains show how energy and materials flow from ...

a)

consumers to producers.

b)

producers to consumers.

13.

What type of relationship is the oxpecker birds picking ticks off the zebra having?

a)

Mutual symbiotic relationship

b)

Commensal symbiotic relationship

c)

Parasitic symbiotic relationship

14.

What type of relationship is the ticks sucking the blood from the zebra?

a)

Mutual symbiotic relationship

b)

Commensal symbiotic relationship

c)

Parasitic symbiotic relationship

15.

How would you describe a mutual symbiotic relationship?

a)

Both organisms benefit.

b)

One organism benefits, but the other is not helped or harmed.

c)

One organism benefits, but the other is harmed.

16.

How would you describe a commensal symbiotic relationship

a)

Both organisms benefit.

b)

One organism benefits, but the other is not helped or harmed.

c)

One organism benefits, but the other is harmed.

17.

How would you describe a parasitic symbiotic relationship?

a)

Both organisms benefit.

b)

One organism benefits, but the other is not helped or harmed.

c)

One organism benefits, but the other is harmed.

18.

Which type of energy takes millions of years to make?

a)

Solar energy

b)

Wind energy

c)

Fossil fuels energy

d)

Nuclear energy