Ecology

Question 1

Ecosystem

Answer 1

System or area where organisms interact with their physical environment

Question 2

Biotic

Answer 2

A living factor, e.g. competition

Question 3

Abiotic

Answer 3

A non-living factor, e.g. light

Question 4

Producer

Answer 4

Organism that makes it’s own food

Question 5

Consumer

Answer 5

An organism which eats other living things (e.g. plants or animals)

Question 6

Decomposers

Answer 6

Organisms which decay (breakdown) dead organic matter to obtain food

Question 7

Biodiversity

Answer 7

The variety of species found within an ecosystem

Question 8

Habitat

Answer 8

The place an organism lives

Question 9

Population

Answer 9

Number of individuals of one species in a particular habitat at a particular time

Question 10

Community

Answer 10

Number of individuals of different species in a particular habitat at a particular time

Question 11

How do you increase reliability of your results?

Answer 11

Do at least 10 quadrats

Question 12

How do we make sure our results are valid?

Answer 12

Do random sampling

Question 13

What do you use to sample a line across a habitat?

Answer 13

Transect

Question 14

Trophic levels

Answer 14

What are the stages in a food chain or web called?

Question 15

What do the arrows in a food chain show?

Answer 15

Transfer of energy