Unit 3 Review - Ecosystems

Question 1

Use your own words to describe an ecosystem

Answer 1

An ecosystem includes all living and nonliving things interacting in a particular area.

Question 2

True or false:

Climate is weather that changes from day to day

Answer 2

false

Question 3

Name the climate zone that has cold winters and warm summers

Answer 3

Temperate

Question 4

Name the climate zone that is located near the equator and is warm all year long

Answer 4

tropical

Question 5

Which climate zone is cold and icy all year long?

Answer 5

polar

Question 6

Which factors would a scientist use to identify different ecosystems?

Answer 6

• Types of plants
• Climate
• Types of animals

Question 7

Describe the climate of the tundra

Answer 7

cold
icy
windy
dry

Question 8

True or false:

Tundra ecosystems are located in a tropical climate zone

Answer 8

false

Question 9

What is the term for the usual weather in a certain area over many years?

Answer 9

climate

Question 10

True or false:

An ecosystem includes only nonliving things interacting in a particular region

Answer 10

false

Question 11

What are the three main climate zones?

Answer 11

tropical

temperate polar

Question 12

Which ecosystem, located in the polar climate zone, has a cold, icy climate and little rainfall?

Answer 12

tundra

Question 13

Which ecosystem has a warm, wet climate with a constant air temperature and rain every day?

Answer 13

tropical rainforest

Question 14

Which ecosystem usually has less than 25 cm of rainfall per year, extreme temperatures, and sand dunes?

Answer 14

desert

Question 15

Where can you find evergreen trees?

Answer 15

a deciduous forest

Question 16

How do some animals adapt to life in the prairie?

Answer 16

by hibernating through the cold winter months

Question 17

How do animals adapt to life in the desert?

Answer 17

by becoming nocturnal because the temperature is so hot during the day

Question 18

What climate zone is located near the equator and is warm all year long?

Answer 18

tropical

Question 19

Describe the climate of the boreal forest

Answer 19

Long, cold, snowy winters

Short, warm summers

Question 20

True or false

Boreal forest ecosystems are located in the temperate climate zone

Answer 20

true

Question 21

Describe the climate of the temperate deciduous forest

Answer 21

Moist, mild, with four distinct seasons

Question 22

In what climate zone are temperate deciduous forests located?

Answer 22

temperate

Question 23

Describe the climate of the tropical rainforest

Answer 23

Warm and wet. It rains almost every day

Question 24

In what climate zone is the tropical rain forest located?

Answer 24

tropical

Question 25

Describe the climate of the desert

Answer 25

• dry air and soil
• less than 25 cm of rain per year
• very hot during the day and freezing at night

Question 26

Describe the climate of the prairie (grasslands)

Answer 26

• cold winters and hot summers
• wind blows much of the time
• violent storms (rain, lightning, wind, blizzards, tornadoes)

Question 27

In what climate zone is the grasslands located

Answer 27

temperate

Question 28

What are two characteristics of a pond

Answer 28

• fresh water
• calm water, and shallow water (sunlight can reach the bottom)
• contains many plants
• full of life
• are all over the world ( all climate zones

Question 29

True or false:

Coral reefs form only in cold climates

Answer 29

false