Energy Flow

Question 1

What is the primary source of energy for our planet?

Answer 1

The sun

Question 2

Most organisms must feed to gain energy, what does this allow for?

Answer 2

This allows for energy to flow from one organism to another in an ecosystem

Question 3

What does flora include?

3

Answer 3

Plants

Seaweeds

Plankton

Question 4

Approximately how much of sunlight is trapped by green plants?

Answer 4

Approximately 1% of energy

Question 5

What is the sunlight trapped by green plants used for>

Answer 5

It is used to make food

Question 6

Where is the sunlight energy stored in plants?

Answer 6

It is stored by plants in the chemical bonds of molecules such as glucose and starch

Question 7

How much of the plant’s energy is passed on to organisms when they are eaten?

Answer 7

10% of a plants energy is passed on

Question 8

What are all animals said to be?

Answer 8

They are all consumers

Question 9

What do primary consumers feed on?

Answer 9

These feed on producers

Question 10

Give three classifications of primary consumers

Answer 10

Herbivores

Decomposers

Detritus feeders

Question 11

What are herbivores?

Answer 11

Animals that feed on vegetation

Question 12

What are decomposers?

Answer 12

Organisms that feed on dead organic matter such as bacteria and fungi

Question 13

Give two examples of decomposers.

Answer 13

Bacteria

Fungi

Question 14

What are detritus feeders?

Answer 14

Organisms that feed on small parts of dead and decomposing plants and animals such as mussels and earthworms

Question 15

Give two examples of detritus feeders.

Answer 15

Mussels

Earthworms

Question 16

What are secondary consumers?

Answer 16

Animals that feed on primary consumers

Question 17

Give two classifications of secondary consumers.

Answer 17

Carnivores

Scavengers

Question 18

What are carnivores?

Answer 18

Meat-eaters

Question 19

What are scavengers?

Answer 19

Organisms which feed on animals killed by other sources

Question 20

What are tertiary consumers?

3

Answer 20

Organisms which feed on secondary consumers

They are not always present

If no other organisms feeds on them, they are called top consumers

Question 21

What are omnivores?

Answer 21

Organisms that feed on both plants and animals are called omnivores

Question 22

Give some examples of omnivores.

4

Answer 22

Gulls

Blackbirds

Badgers

Humans

Question 23

Define producers.

Answer 23

Producers are organisms that carry out photosynthesis

Question 24

Define flora

Answer 24

Flora is all the plants in an ecosystem

Question 25

Define consumers.

Answer 25

Consumers are organisms that take in food from another organisms

Question 26

Define fauna.

Answer 26

Fauna is all the animals in an ecosystem

Question 27

Define decomposers,

Answer 27

Decomposers are organisms that feed on dead organic matter

Question 28

Define detritus feeders,

Answer 28

Detritus feeders are organisms that feed on small pieces of dead organic matter