Unit 1 Quiz

1

100

A diagram of energy flow in an ecosystem with one singular pathway

Food Chain

200

The variable in an experiment that is manipulated or changed 

Independent variable

300

If there are 50,000 units of stores energy in the producers, how much energy would be transferred to the tertiary consumers?

50

400

Optimum means ______.

The best 

2

100

Non living factors are also called _______.

Abiotic factors

200

Organisms that recycle energy from dead organic matter 

Decomposers

300

________ are non native species that disturb an ecosystem

Invasive species

400

The goal of ecological succession is to reach the final stage, which is called a _______ _________ .

Climax Community

3

100

Organisms that can convert their own energy, instead of eating. 

Producers or Autotroph

200

The number of different species in an ecosystem is called _________.

Biodiversity 

300

Part of the ocean that does not receive light 

aphotic zone

400

Producers can also be called _______ and consumers can also be called _______

Autotrophs and Heterotrophs

4

100

______ % of energy is passed on to each level

10

200

The group in the experiment that does not receive a change

control

300

The role an organism takes in an environment is called its ________.

Niche 

400

________ begins with bare rock and no soil, while ________ begins after a disturbance 

Primary Succession , Secondary Succession