Nat 5 - Unit 3 - Life on Earth (KA 1-4)

An _____________________ consists of all the organisms ( the community) living in a particular habitat and the non living components with which the organisms interact.

• niche

• habitat

• ecosystem

• abiotic

A ___________ is the role that an organism plays within a community.

• community

• habitat

• ecosystem

• niche

Interspecific competition is more fierce than intraspecific competition.

• True

• False

All the trees in Lochgelly is a correct definition of a population.

• True

• False

Which type of organisms eat both plant and animal material

• Herbivore

• Omnivore

• Carnivore

• Consumer

Arrows in a food chain or food web show the _________________ of energy flow.

• strength

• direction

• way

• movement

Competition in ecosystems occurs when resources are in short supply.

• True

• False

Intraspecific competition occurs between members of different species.

• True

• False

Identify the correct list of abiotic factors below

• Disease, temperature, food availability

• Temperature, rainfall, mates

• pH, temperature, light intensity

• Disease, predation, mates

Identify the correct biotic factor below

• Temperature

• Disease

• Light Intensity

• Carbon dioxide concentration