Year 9 Ecosystems Definitions

Biotic means:

• Living

• Nonliving

• All things living and non living

• A group of different populations of organisms

Tags

NGSS.MS-LS2-3

Abiotic means:

• Living

• Non-living

• All the living and nonliving factors in an area

• All members of one kind of organism in a particular area

Ecosystem means:

• Living

• Non-living

• All the living and non-living factors in an area

• A group of different populations of organisms

A population is:

• Living

• Non-living

• All members of one kind of organism in a particular area

• A group of different populations of organisms

A community is:

• A group of different populations of organisms

• All members of one kind of organism in a particular area

• All the living and nonliving factors in an area

• Nonliving

Many micro-organisms live in soil. What do all the micro-organisms of the same species living in an area's soil make up?

• an ecosystem

• a population

• a community

• a habitat

Which of these is an example of an abiotic factor in a forest ecosystem?

• sunlight

• Kangaroo

• moss

• eucalyptus tree

What do all the populations in an area make up?

• an ecosystem

• a habitat

• a community

• a niche

Which of these is the best example of an interaction between a biotic factor and an abiotic factor in an ecosystem?

• Sunlight warms a rock.

• An water buffalo uproots a tree.

• A magpie feeds its young.

• A wombat drinks from a stream.

Look at the picture of the woods. How many populations are shown?

• one

• two

• five

• ten