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Flashcards in Ecology Deck (18)
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0
Q

Biogeochemical cycles

A

Process in which elements are passed from one organism to another and from one part of the biosphere to another

1
Q

Biodiversity

A

Biological diversity; the sum total of the variety of organisms in a biosphere

2
Q

Carrying capacity

A

Largest number of individuals of a pop that a given environment can support

3
Q

Community

A

Assemblage if different populations that live together in a defined area

4
Q

Consumer

A

Organism that relies on other organisms for its energy and food supply

5
Q

Decomposer

A

Organism that breaks down and obtains energy from dead organic matter

6
Q

Ecology

A

Scientific study of interactions among organisms and between organisms and their environment

7
Q

Ecosystem

A

Collection of all organisms that live in a particular place

8
Q

Emigration

A

Movement of individuals out of an area

9
Q

Energy pyramid

A

Shows the relative amount of energy available at each tropic level

10
Q

Exponential growth

A

Growth patterns in which individuals in a pop reproduce at a constant rate

11
Q

Habitat

A

The area where an organism lives( bi and abiotic)

12
Q

Immigration

A

Movement if individuals into an area occupied by an existing pop

13
Q

Logistic growth

A

Growth pattern on which a populations growth rate stops or slow following a period of exponential growth

14
Q

Pop

A

Ind. that live In the same are

15
Q

Pop size

A

How many individuals that live in an area

16
Q

Producer

A

Organism that can capture sunlight to produce its own energy

17
Q

Trophic level

A

Step in a food chain or web