Levels of Organisation

What can be represented by food chains?

Feeding relationships within a community.

What are photosynthetic organisms that synthesise molecules?

The producers of all biomass for life on earth and are the 1st step in all food chains.

What dod ecologists use?

A range of experimental methods using transects and quadrats.

Why do ecologists use experimental methods?

To determine the distributions and abundances of different species in an ecosystem.

Name the order of food chains:

Producer, primary consumer, secondary consumer and tertiary consumer.

What are producers?

An organism producing glucose through photosynthesis.

What are primary consumers?

Herbivores that eat producers.

What are secondary consumers?

Carnivores that eat primary consumers.

What are teritiary consumers?

Carnivores that eat secondary consumers.

What are predators?

Consumers that kill and eat other animals.

What are prey?

Animals that are eaten by other animals.

What are apex predators?

Carnivores with no predators.