National 5 biology 3.1: Ecosystems

What is the definition of Biodiversity

• The variety of different species in an ecosystem

• The variety between the individuals within a species in an ecosystem

• The place where an organism (animal, plant or microorganism) lives.

• all the organisms (the community) living in a particular habitat

What is the definition of Habitat?

• A group of organisms of the same species in a particular area.

• The areas of the world where the same species is found

• The place where an organism (animal, plant or microorganism) lives.

• A group of organisms of the same species in a particular area.

A __________________ is defined as A group of organisms of the same species in a particular area.

Match the words to their definitions.

• An organism capable of producing its own

• herbivore

• An organism which eats meat and plants

• Omnivore

• An organism which only eats animals

• Producer

• An organism which eats only plants

• consumer

• An organism which eats other organisms

• Carnivore

A ____________ is all the populations of organisms living together in an area

a ________________ is the role that organism plays in the ecosystem

Interspecific competition is

• different species competing for similar resources

• the same species competing for exactly the same resources

• different species competing for the exactly the same resources

• the same species competing for similar resources

intraspecific competition is

• different species competing for similar resources

• the same species competing for exactly the same resources

• different species competing for exactly the same resources

• the same species competing for similar resources

which type of competition is more intense?

• intraspecific

• interspecific

what do the arrows on the food chain or food web represent?

• the flow of energy

• what eats what

• the predators in the ecosystem