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Ecology Summative Practice

Total questions: 62

Worksheet time: 43mins

Name
Class
Date
1.

Which of the following are ABIOTIC factors?

a)

water

b)

soil

c)

predators

d)

disease

e)

weather

2.
A nonliving element in an ecosystem is an 
a)

animal

b)

abiotic factor

c)

biotic factor

d)

organism

3.

Which of the following are BIOTIC factors?

a)

grass

b)

high elevation

c)

prey

d)

competition

e)

rainfall

4.
Is sunlight an abiotic or biotic factor? 
a)

abiotic

b)

biotic

5.
What are the biotic factors in this image?
a)

sunlight, elephants, and grasses

b)

sunlight, water,  and air

c)

elephants, plants, trees 

6.
What are the abiotic factors in this image? 
a)

water, sunlight, dirt, air

b)

birds and plants

c)

water, plants, and birds 

7.
A certain plant needs moisture, carbon dioxide, oxygen, light, and minerals to survive. This scenario shows that this particular living organism depends on .
a)

Biotic and Abiotc Factors

b)

Biotic Factors 

c)

Abiotic Factors 

d)

None of the Above

8.
Which of the following lists has ONLY biotic factors?
 
a)

snail, algae, guppy, sunlight

b)

temperature, Daphnia (water flea), snail, guppy (fish)

c)

snail, guppy (fish), Daphnia (water flea), algae

d)

temperature, pH, conductivity, nitrite concentration

9.

The zebra is an example of...

a)

organism

b)

population

c)

community

d)

ecosystem

10.

The zebras and lions are an example of...

a)

organism

b)

population

c)

community

d)

ecosystem

11.

The alligators are an example of...

a)

organism

b)

population

c)

community

d)

ecosystem

12.

This picture (including the water and air) is an example of...

a)

organism

b)

population

c)

community

d)

ecosystem

13.

The deer are an example of...

a)

organism

b)

population

c)

community

d)

ecosystem

14.

The elephants and trees are an example of...

a)

organism

b)

population

c)

community

d)

ecosystem

15.

This picture (including the water and sun) is an example of...

a)

organism

b)

population

c)

community

d)

ecosystem

16.

The turtles and alligators are an example of...

a)

organism

b)

population

c)

community

d)

ecosystem

17.

All the living things in an area makes up a(n):

a)

Ecosystem

b)

Population

c)

Biome

d)

Community

18.

A bunch of ecosystems with similar climates is a(n):

a)

Ecosystem

b)

Population

c)

Biome

d)

Community

19.

Match the following

a)

Producer

1.

makes food in its own cells

b)

Herbivore

2.

eats plants/producers

c)

Carnivore

3.

eats animals

d)

Omnivore

4.

eats plants and animals

e)

Decomposwer

5.

Recycles dead matter in ecysostems

20.

Match the following

a)

Producer

1.

Palm Tree

b)

Herbivore

2.

Cow

c)

Carnivore

3.

Tiger

d)

Omnivore

4.

Raccoon (eats small rodents and plants)

e)

Decomposer

5.

Mushroom

21.

Match the following

a)

Producer

1.

Photosynthetic Algae

b)

Herbivore

2.

Rabbits

c)

Carnivore

3.

Shark

d)

Omnivore

4.

Songbird

e)

Decomposer

5.

Earthworm

22.
From where do producers get their energy?
a)

the ground

b)

other animals

c)

decomposers

d)

the sun

23.

How do decomposers get energy?

a)

They break down dead or decaying matter.

b)

They eat live organisms.

c)

They get energy from the Sun.

d)

They get energy from the moon.

24.

Match the following

a)

Predation

1.

a predator hunts and eats prey

b)

Competition

2.

two organisms in a species need the same food source.

c)

Mutualism

3.

symbiotic relationship where both species benefit

d)

Commensalism

4.

symbiotic relationship where one organism benefits and the other isn't affected.

e)

Parasitism

5.

symbiotic relationship where a parasite harms a host species.

25.

Match the following

a)

Predation

1.

polar bears hunt and eat seals

b)

Competition

2.

cardinals and bluebirds both eat earthworms

c)

Mutualism

3.

a hummingbird pollinates a flower, helping it reproduce, an gets nectar for food.

d)

Commensalism

4.

An eagle builds a nest in a tree.

e)

Parasitism

5.

tapeworm makes humans sick by stealing nutrients from its digestive tract.

26.

Barnacles create home sites by attaching themselves to whales.

a)

Mutualism

b)

Commensalism

c)

Parasitism

27.

Ticks feed on deer blood with harms the deer.

a)

Mutualism

b)

Commensalism

c)

Parasitism

28.

Honey guide birds alert and direct badgers to bee hives. The badgers feed on the honey and then allow the birds to eat.

a)

Mutualism

b)

Commensalism

c)

Parasitism

29.

Put this food chain in the correct order

a)

Grass

b)

Rabbit

c)

Snake

d)

Hawk

1)
2)
3)
4)
30.

What organism is missing from this food chain?

Shrub -> (a)   -> Insect Eating Bird -> Hawk

31.

Circle every secondary consumer in red

32.
Question Image

Match each organism with the correct trophic level

a)

Producer

1.

Grass

b)

Primary Consumer

2.

Squirrel

c)

Secondary Consumer

3.

Insect Eating Bird

d)

Apex Predator

4.

Mountain Lion

e)

Decomposer

5.

Bacteria

33.

What would happen to the bird if the green fish died out?

a)

the bird population would grow

b)

the bird population would die out

c)

the smaller fish will die out

34.

What is the bottom layer of the an energy pyramid?

a)

producer

b)

tertiary consumer

c)

Secondary consumer

d)

primary consumer

35.

What does an energy pyramid show?

a)

Energy flow in a community

b)

Longest lifespans

c)

The stronger animal the higher it is on the pyramid

36.
How much energy is available to be passed on to the next trophic level in an ecosystem?
a)

100%

b)

10%

c)

50%

d)

75%

37.

How do biodiversity and stability work together?

a)

The lower the biodiversity the greater the stability of an ecosystem.

b)

The higher the biodiversity, the less stable the ecosystem

c)

The higher the biodiversity, the greater the stability of the ecosystem.

d)

Biodiversity has nothing to do with ecosystem stability.

38.

The loss of a natural habitat is called:

a)

Habitat Development

b)

Pollution

c)

Biodiversity

d)

Habitat Destruction

39.

The breaking of habitats into smaller pieces is called...

a)

habitat division

b)

habitat corruption

c)

habitat pollution

d)

habitat fragmentation

40.

Why is habitat fragmentation hazardous to animals?

a)

Animals may not thrive in their new habitat

b)

Habitat fragmentation causes loss of habitat for many organisms

c)

If coral reefs die, so will many fish species that depend on them

d)

Habitat fragmentation does not pose a threat to animals.

41.
What is deforestation?
a)

Clearing Earth's forests on a massive scale

b)

Eating too much vegetables

c)

Going to a forest and pulling weeds

d)

Clearing the five trees in my backyard

42.

Deforestation causes an increase in atmospheric carbon dioxide

a)

true

b)

false

43.
What are the effects of deforestation ?
a)

loss of habitat

b)

increased green house gasses 

c)

soil erosion and flooding

d)

all of the above

44.
Does deforestation contribute to global warming?
a)

No, trees aren't that important

b)

Sometimes because only the cutting down of Maple trees contributes to global warming

c)

No, deforestation adds methane to the atmosphere, which makes the Earth cooler

d)

Yes; less trees means less CO2 is turned into oxygen.

45.

What is "overfishing"?

a)

Fishing out of season

b)

Catching fish faster than they can replenish

c)

Catching fish from the top of the food chain

d)

Catching more fish than what people eat

46.

What percentage of the world's fish are currently overfished?

a)

10%

b)

33%

c)

65%

d)

100%

47.

What is an impact of fish disappearing? Select all that apply.

a)

Global warming

b)

Jobs and economies can disappear

c)

A major source of protein for humans is lost

d)

Sea levels will rise, flooding coastal areas

48.

Which of the following causes of pollution?

a)

Car and vehicle emissions

b)

smog

c)

acid rain

d)

animals and plants dying

49.
Where is pollution found on the earth?
 
 
  
a)

only in the air 

b)

only on the land 

c)

only in the water 

d)

on land, in the air, and in the water 

50.
Which way can people best reduce land pollution caused by large amounts of waste dumped in landfills?  
a)

They can use a water filter to use fewer water bottles.

b)

They can recycle their plastic, glass, paper, and cardboard items and only throw away non-recyclable items.

c)

They can watch less television, reducing electricity use and allowing their electronics to last much longer.

d)

They can refill large plastic containers, like those used for laundry detergent, instead of throwing them away.

51.

This type of pollution inhibits people from seeing the stars and planets.

a)

Light Pollution

b)

Water Pollutilon

c)

Air Pollution

d)

Land pollution

52.

Which human action can cause pollution?

a)

Walking

b)

Biking

c)

Mining

d)

Recycling

53.
The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?
a)

lower levels of ozone in the atmosphere

b)

lower levels of nitrogen in the atmosphere

c)

higher levels of carbon dioxide in the atmosphere

d)

higher levels of oxygen in the atmosphere

54.
Which of the following is the best conclusion that can be made from this graph?
a)

atmospheric carbon dioxide levels have been decreasing since 1960

b)

Hawaii has a lot of carbon dioxide

c)

humans have been working hard to decrease carbon dioxide levels

d)

atmospheric carbon dioxide levels have increased steadily since 1960

55.
Which of the following have been linked to climate change?  
a)

droughts

b)

flooding

c)

melting of polar ice caps

d)

all of the above

56.
The main human activity that releases greenhouse gases is
a)

using bottled water

b)

burning fossil fuels

c)

texting on cellphones

d)

eating meat

57.
Melting of glaciers and polar ice caps....
a)

will result in cooler temperatures in the Arctic

b)

will result in sea-levels rising

c)

Will have no effect on ecosystems

d)

None of the above

58.
Carbon is stored in
a)

Trees and other living things

b)

Oceans

c)

underground in soil and fossil fuels

d)

All are correct

59.
Increasing quantities of CO2 (Carbon Dioxide) in the atmosphere will cause air temperatures to be _____. 
a)

warmer

b)

cooler

60.
Climate change causes extreme weather conditions such as:
a)

Flooding

b)

Heat Waves

c)

Hurricanes

d)

All of the above

61.
Acid mine drainage is cause by which element?
a)

carbon

b)

sulfur

c)

nitrogen

d)

boron

62.

How long does it take plastic to degrade?

a)

500-1000 years

b)

200 years

c)

150 years

d)

50 years

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