wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Environmental Challenges and Populations

Total questions: 15

Worksheet time: 12mins

Name
Class
Date
1.

Which is not one of the four aspects of the nature of a physical environment?

a)

temperature

b)

vegetation

c)

water

d)

sunlight

2.

What are the mechanisms organisms use to maintain homeostasis?

a)

morphological

b)

physiological

c)

psychological

d)

behavioral

3.

In what season did the toad emerge for breeding?

a)

fall

b)

summer

c)

spring

d)

winter

4.

What is the norm of reaction?

a)

 the ability to produce multiple phenotypes from a single genotype

b)

 the ability to produce multiple genotypes from multiple phenotypes

c)

the ability to produce multiple genotypes from a single phenotype

d)

the ability to produce a single phenotype from multiple genotypes

5.

What animal used morphological capabilities in our presentation?

a)

ladybug

b)

coyote

c)

jackal

d)

wolf

6.

What can help or limit the productivity of growth in soil?

a)

mineral composition

b)

pH

c)

color

d)

denisty

e)

soil consistency

7.

Organisms live in (a)   .

8.

What is a population range?

a)

The approximate scale of ages in a population

b)

A population’s geographic distribution

c)

The span of years a population has survived

d)

The biomes of the Earth a population can survive in

9.

Humans do not serve as an agent of dispersal for species.

a)

True

b)

False

10.

Which of the following are examples of seed dispersal mechanisms?

a)

have structures that stick to animals

b)

aerodynamically designed to be blown by the wind

c)

violently propeled out of plants

d)

able to walk long distances in the summer months

11.

What are the 3 spacing patterns found in populations?

a)

Random

b)

Uniform

c)

Linear

d)

Clumped

12.

A group of populations of the same species, separated by geographical barriers between which abundant and frequent exchanges occur is called a (a)  

13.

In a ________, the populations in the better areas continually send out dispersers that bolster the populations in the poorer habitats.

a)

unequal population distribution

b)

metapopulation

c)

dispersal population

d)

source-link metapopulation

14.

What is an example of physiological change at high elevation?

a)

 increased rate of breathing

b)

decreased erythrocyte production

c)

increased density of mitochondria

15.

Are Reese and Lacy cool?

a)

Absolutely

b)

Nah