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Sci9 - Ecology!

Total questions: 50

Worksheet time: 4hrs 10mins

Name
Class
Date
1.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
d)
an organism that uses chemical energy to make its own food
2.
What is a herbivore?
a)
an animal that gets energy from eating other animals
b)
an organism that gets energy from eating only plants
c)
an animal that gets energy by eating both plants and other animals
d)
an animal that eats only herbs
3.
An organism that gets energy from eating other organisms is a ______________.
a)
producer
b)
consumer
c)
decomposer
d)
prey
4.
An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________.
a)
producer
b)
consumer
c)
decomposer
d)
autotroph
5.
An animal that is hunted and eaten for food is a __________.
a)
predator
b)
prey
c)
population
6.
What is a carnivore?
a)
an animal that gets energy by eating other animals
b)
An animal that gets energy by eating only plants
c)
an animal that gets energy by eating both plants and animals
d)
an animal that makes its own energy through photosynthesis
7.
An animal that gets energy from eating both plants and animals is a(an) _____________.
a)
herbivore
b)
carnivore
c)
omnivore
d)
autotroph
8.
A connection of food chains with many food energy paths in an ecosystem is a ____________.
a)
ecosystem
b)
food web
c)
environment
d)
population
9.
Which of the following is NOT a consumer?
a)
grass
b)
dog
c)
shark
d)
fish
10.
The shrew provides energy for the _______.
a)
cricket
b)
grasshopper
c)
frog
d)
snake
11.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
12.

In general, how do nutrients travel from a producer to a consumer?

a)

The consumer breaks down the dead producer, releasing its nutrients

b)

The consumer eats the producer

c)

The producer is released into the atmosphere, which the consumer breathes in

d)

They do not flow between a producer and a consumer

13.

Which of the following is an example of a producer?

a)

A sunflower

b)

The sun

c)

A worm

d)

A human

14.

Which of the following is an example of a consumer?

a)

Bacteria

b)

A bird

c)

A tree

d)

The sun

15.

Bees take nectar from flowers and in turn, flowers get pollinated by the bees. This would be an example of

a)

Predation

b)

Mutualism

c)

Commensalism

d)

Parasitism

16.

A lion hunts a gazelle for food. This is an example of

a)

Predation

b)

Competition

c)

Mutualism

d)

Commensalism

17.

2 bucks are fighting to try to get a mate. This is an example of

a)

Predation

b)

Competition

c)

Parasitism

d)

Commensalism

18.

When barnacles live on whales, the whale provides safety and transportation. Barnacles don't hurt whales but don't help them either. This is an example of

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Competition

19.

Mosquitoes take human blood to feed their babies and leave us with an itchy bump. This is an example of

a)

Predation

b)

Mutualism

c)

Commensalism

d)

Parasitism

20.

Grass --> Worm --> Bird --> Owl


In the above food chain, grass would be an example of a

a)

primary producer

b)

primary consumer

c)

secondary consumer

d)

tertiary consumer

21.

Grass --> Worm --> Bird --> Owl


In the above food chain, the bird would be an example of a

a)

primary producer

b)

primary consumer

c)

secondary consumer

d)

tertiary consumer

22.

Grass --> Worm --> Bird --> Owl


In the above food chain, what would be the primary consumer?

a)

grass

b)

worm

c)

bird

d)

owl

23.

What would be a tertiary consumer in this food web?

a)

tree

b)

snake

c)

goat

d)

lion

24.

According to the food web, what eats the snake?

a)

mouse

b)

kite

c)

owl

d)

lion

25.

According to the food web, what is an example of a primary consumer?

a)

tree

b)

goat

c)

jackall

d)

owl

26.

Grass --> Worm --> Bird --> Owl


This is an example of

a)

A food chain

b)

A food web

c)

A trophic level

d)

An energy transformation

27.

Grass --> Worm --> Bird --> Owl


Which organism belongs to the third trophic level?

a)

grass

b)

worm

c)

bird

d)

owl

28.

Approximately how much energy is transferred from producers to primary consumers?

a)

100%

b)

90%

c)

10%

d)

1%

29.

What happens to the energy that is not transferred between levels?

a)

It is lost to heat and other processes

b)

It is taken in by the sun

c)

It is taken up by other organisms

d)

It is taken in by bacteria and decomposers

30.

If the producers start off with 5000 kJ of energy, how much of that energy will eventually be passed on to the tertiary consumers?

a)

5000 kJ

b)

500 kJ

c)

50 kJ

d)

5 kJ

31.

Which of the following is part of the geosphere?

a)

Grass

b)

Clouds

c)

Volcano

d)

Pond

32.

Which of the following is part of the atmosphere?

a)

Sand

b)

Butterflies

c)

Lava

d)

Oxygen

33.

Plants are able to use nitrogen with the help of

a)

Bacteria

b)

Water

c)

The Carbon cycle

d)

Animals

34.

Which is the correct equation for photosynthesis?

a)

Water + CO2 + Energy --> Glucose + Oxygen

b)

Glucose + Oxygen --> Water + CO2 + Energy

c)

Water + Oxygen + Energy --> Glucose + CO2

d)

Glucose + CO2 --> Water + Oxygen + Energy

35.

What is the correct equation for cellular respiration?

a)

Glucose + Oxygen --> CO2 + water + energy

b)

CO2 + water + energy --> glucose + oxygen

c)

Oxygen + water + energy --> CO2 + glucose

d)

CO2 + glucose --> oxygen + water + energy

36.

Which of the following is a way that humans contribute to the nitrogen cycle?

a)

Using fertilizers

b)

Burning fossil fuels

c)

Treating sewage

d)

All of the above are correct

37.

What is the biggest Carbon sink/source?

a)

Atmosphere

b)

Plants

c)

Rocks/sediments

d)

Animals

38.

What is the biggest Nitrogen sink/source?

a)

Plants

b)

Animals

c)

Atmosphere

d)

Ponds and Marshes

39.

How do humans contribute to the carbon cycle?

a)

They burn fossil fuels which release CO2

b)

They cut down trees, releasing CO2

c)

Through agriculture and urbanization

d)

All of the above

40.

Which nutrient cycle is responsible for causing acid rain?

a)

Carbon

b)

Nitrogen

c)

Phosphorus

d)

Oxygen

41.

Grass --> Worm --> Bird --> Owl --> Bacteria


In the above food chain, which group contains the most energy?

a)

grass

b)

worm

c)

bacteria

d)

owl

42.

What is the main sink/store in the phosphorus cycle?

a)

atmosphere

b)

rocks/sediments

c)

animals and plants

d)

ocean

43.

Which nutrient is NOT stored in the atmosphere?

a)

oxygen

b)

carbon

c)

nitrogen

d)

phosphorus

44.

How is phosphorus released from rock?

a)

Consumers

b)

Producers

c)

Weathering

d)

The sun

45.

Humans burn fossil fuels for energy. This releases greenhouse gases which is causing ________

a)

Global warming

b)

Global cooling

c)

Increased phosphorus in the atmosphere

d)

Decreased phosphorus in the atmosphere

46.

Which of the following describes nitrogen fixation?

a)

A process in which bacteria convert atmospheric nitrogen into a usable form

b)

A process in which bacteria convert nitrogen compounds (like nitrates) into the atmospheric form

c)

A process in which plants convert atmospheric nitrogen into a usable form

d)

A process in which plants convert nitrogen compounds (like nitrates) into the atmospheric form

47.

What causes algae blooms?

a)

Weathering of rock

b)

Leaching of nitrogen-containing fertilizer into the water

c)

Burning fossil fuels

d)

Bacteria

48.

Bacteria are super important to which cycle?

a)

Carbon

b)

Nitrogen

c)

Phosphorus

d)

Water

49.

All of the water on Earth makes up the ___

a)

Geosphere

b)

Atmosphere

c)

Biosphere

d)

Hydrosphere

50.

All of the living things on Earth (e.g. plants and animals) belong to the ___

a)

Atmosphere

b)

Biosphere

c)

Geosphere

d)

Hydrosphere

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