Chapter XX- Ecology Flashcards Preview

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Flashcards in Chapter XX- Ecology Deck (31):
1

Ecology

-study of interactions among organisms and their environment

2

Population

-interbreed
-same place at same time
-ONE SPECIES

3

Community

-inreracting populations

4

Biome

-large group of ecosystems

5

Biosphere

-supports life

6

Tolerance Curves

-performance graph
-cant survive out of this

7

Acclimation

- adjusts tolerance levels
-slowly adapts

8

Transpiration

Water evaporating from plants

9

Percolation

Collection of warer underground

10

Habitat

-organism lives

11

Niche

-role of a species in an environment

12

Generalist

-eats many different things in many ways

13

Specialist

-eats 1 thing in kne way
- adapted towards 1 resource

14

Fundamental

- potential organisms can get to

15

Realized

- range it actually uses

16

Scavengers

Feed on dead animals

17

Decomposer

Break down and aborb nutrients from dead organisms

18

About ____% is transferred at each level of a food pyramid

10%

19

Trophic levels

Feeding steps

20

Limiting factors

- food
- predators
- temp
-light

21

Symbiosis

Interactions among species

22

Parasitism

Parasite feeds off host

23

Mutualism

+\+

24

Commensalism

+\0

25

Succession

Natural changes in an environment
- fast= decades

26

Climaz communities

- balanced food web

27

Exponential Growth

- increases rapidly

(Think of a J)

28

Logistic Model

Carrying capacity is reached

29

Density independent favtors

Natural disasters/ cants control

30

Density dependent factos

Worse when theres more of it

31

Biodiversity

Species richness