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Biology-19-Populations In Ecosystems > Populations And Ecosystems > Flashcards

Flashcards in Populations And Ecosystems Deck (9)
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1

What two factors does the environment include. Give examples

Abiotic - non living - temp and rainfall

Biotic - living - competition and predators

2

What is an ecosystem

a community, and all the non living factors within it

3

What’s the two major processes to consider within an ecosystem

The flow of energy through the system

The cycling of elements within the system

4

What’s a population

A group of individuals of one species that occupy the same habitat at the same time and are potentially able to interbreed

5

what can vary the size of a population

The effect of abiotic factors

Interactions between organisms

6

What is a community

All the populations of different species living and interacting in a particular place at the same time

7

What is a habitat

The place where an organism lives

8

What is a niche

the role of a species within its habitat

9

What is the competitive exclusion principle

No two species can occupy the same niche