Ecology Pt. 2 Flashcards Preview

Biology > Ecology Pt. 2 > Flashcards

Flashcards in Ecology Pt. 2 Deck (20)
Loading flashcards...
0
Q

Immigration

A

Organisms moving into an area (increases population)

1
Q

Natality

A

The birth rate, increases population

2
Q

Mortality

A

The death rate (decreases the population)

3
Q

Emigration

A

Organisms that leave an area (decreases the population)

4
Q

What does a J curve tell you? And give an example

A

That the population I’d growing and hasn’t hit the carrying capacity.
- the human population

5
Q

What does the S curve they’ll you about the population?

A

When a population has hit it’s carrying capacity and levels out

6
Q

Carrying capacity

A

How many organisms an area can support

7
Q

Limiting factors

A

The amount if resources that limit the population, or growth, of an organism

8
Q

Population density

A

The amount if organisms in a given area

9
Q

Symbiosis

A

The relationship between two organisms

10
Q

Mutualism

A

A relationship between two organisms, where both if them benefit

11
Q

Commensalism

A

A relationship between two organisms, where one organism benefits and the other is neutral

12
Q

Parasitism

A

A relationship between two organisms, where one entities and the other is harmed

13
Q

Predator/ prey

A

A relationship where one organism eats the other

14
Q

Competition

A

Where organisms compete for the same resources

15
Q

Habitat

A

Where an organism lives

16
Q

Niche

A

The job of an organism

17
Q

Biomass

A

The mass if the organisms in an area

18
Q

Renewable resource

A

A product that can replace itself

- bamboo

19
Q

Nonrenewable resource

A

A product that cannot replace itself

- fossil fuels