Unit One, Topic 4

Question 1

biotic

Answer 1

living things in the environment

Question 2

biotic examples

Answer 2

humans, plants, birds, insects

Question 3

a term applied to no living things such as air, water and soil

Answer 3

abiotic

Question 4

a role that is undertaken by an organism in an ecosystem

Answer 4

niche

Question 5

producer

Answer 5

plants that use energy from the sun to make their own food

Question 6

organisms that eat the food made by producers are called

Answer 6

consumers

Question 7

3 types of consumers

Answer 7

1. Herbivore
2. Omnivore
3. Carnivore

Question 8

Organisms that break down cells or dead waste materials and absorb their nutrients are called

Answer 8

decomposers

Question 9

bacteria and fungi are 2 types of

Answer 9

decomposers

Question 10

Herbivore

Answer 10

an organism that eats only plants

Question 11

an example of an herbivore is

Answer 11

an elephant

Question 12

an organism that eat animals

Answer 12

carnivore

Question 13

Example of a carnivore

Answer 13

wolf

Question 14

Omnivore

Answer 14

an animal that eats other animals and plant material

Question 15

an organism that catches and eats other organisms is called

Answer 15

a predator

Question 16

prey

Answer 16

an organism that is caught and eaten by another organism

Question 17

the total mass of living matter in therms of dry weight

Answer 17

biomass

Question 18

Why are Koalas endangered?

Answer 18

Eucalyptus forests were cut down to make room for farms and other developments

Question 19

food chain

Answer 19

a model that shows how energy is transferred from organism to organism

Question 20

Pyramid of Numbers

Answer 20

the size of each level of organisms goes from big to small, depending on the number of organism involved

Question 21

clean up squads

Answer 21

organisms that break down dead materials