Chapter 3 Vocab

Question 1

Secondary succession

Answer 1

The regrowth of an ecosystem on an area that has been burned or destroyed in someway. Example: fires in Yellowstone are now causing regrowth of trees

Question 2

Limiting factor

Answer 2

Antibiotic or abiotic factor that restricts the existence, numbers, reproduction, or distribution of organisms

Question 3

Pioneer species

Answer 3

The first organisms that are able to grow in pure water and bear rock.
EX: Lichens ( algae and a fungus) , algae, moss. Only happens were no other organisms have been before (no soil)

Question 4

Climax community

Answer 4

A stable mature community that undergoes little or no change in species

Question 5

Photic zone

Answer 5

The portion of the marine bio that shallow enough for sunlight to penetrate

Question 6

Aphotic zone

Answer 6

Deeper water that never receive sunlight

Question 7

Plankton

Answer 7

Most of the organisms that live in the marine biome

Question 8

Estuary

Answer 8

A coastal body of water, partially surrounded by land, and which freshwater and saltwater mix

Question 9

Permafrost

Answer 9

Underneath the top layer is a layer of permanently frozen ground

Question 10

Range of tolerance

Answer 10

The entire set of conditions, such as air temperature or soil moisture, under which an organism is potentially able to survive. Levels outside of this range

Question 11

Primary succession

Answer 11

The colonization of bear land by Organisms – no soil