Ecosystems

What is a habitat?

Place where an organism lives

What is a population?

All the organisms of one species that live in the same place at the same time and can breed together

What is a community?

All the populations of different species that live in the same place at the same time and can interact with each other

What is an ecosystem?

All the living organisms and all the non living components in a specific habitat, and the interrelationships between them

What is a niche?

The role of an organism in its ecosystem

What factors can affect populations?

Living factors (food supply, production and disease) non-living factors (temp,pH, soil type)

What is a producer?

Plants, algae and some photosynthetic bacteria that can capture light energy and convert it to chemical energy during photosynthesis, can also be autotrophs

What is a consumer?

Feeds on producers or other consumers, can also be known as heterotrophs

What do decomposers do?

Most communally bacteria but also some animals and fungi - feed on waste and dead materials. Most are saprotrophs

What are trophic levels?

The level that an organism feeds