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Unit 4 Review - Wildfires

Total questions: 15

Worksheet time: 27mins

Name
Class
Date
1.

Who do wildfires affect?

a)

orcas

b)

mitosis and meiosis

c)

photosynthesis and cellular respiration

d)

producers and consumers

2.

What do trees provide for living organisms? (select all that apply)

a)

oxygen (O2)

b)

carbon dioxide (CO2)

c)

glucose/sugar (C6H12O6)

d)

water (H2O)

3.

What would happen if most trees disappeared? (select all that apply)

a)

photosynthesis would still continue

b)

food webs would collapse

c)

cellular respiration would stop

d)

DNA replication would continue

4.

Burning trees releases what greenhouse gas?

a)

methane

b)

carbon dioxide (CO2)

c)

oxygen (O2)

d)

smoke

5.

What do greenhouse gases do?

a)

cool the earth

b)

absolutely nothing

c)

trap heat in the earth

d)

prevent wildfires from happening

6.

What would happen if we emit (or release) more and more greenhouse gases? (select all that apply)

a)

less heat will be trapped in the earth

b)

the Arctic ice grows, keeping earth cool

c)

wildfires become more frequent and intense

d)

drought worsens in already dry places

7.

During wildfires, biodiversity...

a)

stays the same

b)

increases

c)

decreases

d)

intensifies

8.

The process of an ecosystem growing in biodiversity and stability over time is called...

a)

ecological succession

b)

transcription

c)

homeostasis

d)

environmental mutation

9.

The first species to live in an uninhabited area is called...

a)

immigrant

b)

pioneer species

c)

secondary consumer

d)

newbie

10.

According to ecological succession, an ecosystem builds into a climax community, which can be described as... (select all that apply)

a)

stable

b)

constantly changing

c)

biodiverse

d)

lacking many organisms

11.

Which are examples of primary succession? (select all that apply)

a)

wildfires

b)

hurricanes

c)

glaciers melting

d)

volcanic erruptions

12.

Which are examples of secondary succession? (select all that apply)

a)

wildfires

b)

glaciers melting

c)

hurricanes

d)

volcanic erruptions

13.

What is the key difference between primary and secondary succession?

a)

presence of soil

b)

presence of biotic factors

c)

presence of pioneer species

d)

presence of a complex food web

14.

What are ways in which we can reduce carbon emissions? (select all that apply)

a)

use renewable energy

b)

educate yourself on the issue of climate change

c)

pass a carbon tax

d)

join/start environmental protests

15.

What do living organisms provide for trees?

a)

water (H2O)

b)

carbon dioxide (CO2)

c)

oxygen (O2)

d)

glucose/sugar (C6H12O6)