Vocab 1.1-1.3 Flashcards Preview

Science > Vocab 1.1-1.3 > Flashcards

Flashcards in Vocab 1.1-1.3 Deck (29):
1

Organism

A living thing

2

Biotic factor

A living or once living part of an organism's habitat

3

Abiotic factor

A no living part of an organism's habitat

4

Habitat

An environment that provides the things a specific organism needs to live, grow and reproduce

5

Community

All the different populations that live together in a particular area

6

Ecology

The study of how organisms interact with each other and their environment

7

Ecosystem

The community of organisms that live in a particular area, along with their nonliving environment

8

Population

All the members of one species living in the same area

9

Species

A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce

10

Birth rate

The number of births per 1000 individuals for a certain period of time

11

Death rate

The number of deaths per 1000 individuals for a certain time period

12

Immigration

Movement of individuals into a population's area

13

Emigration

Movement of individuals out of a population's area

14

Population density

The number of individuals in an area of a specific size

15

Limiting factor

An environmental factor that causes a population to decrease in size

16

Carrying capacity

The largest population that a particular environment can support

17

Adaptation

An inherited behavior or physical characteristic that helps an organism survive and reproduce in its environment

18

Natural selection

The process by which organisms that are best adapted to their environment are most likely to survive and reproduce

19

Niche

How an organism makes its living and interacts with the biotic and abiotic factors in its habitat

20

Competition

The struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time

21

Predation

An interaction in which one organism kills another for food or nutrients

22

Predator

The organism that does the killing in a predation interaction

23

Prey

An organism that is killed and eaten by another organism in a predation interaction

24

Symbiosis

Any relationship in which two species live closely together and that benefits at least one of the species

25

Mutualism

A type of symbiosis in which both species benefit from living together

26

Commensalism

A type of symbiosis between two species in which one species benefits benefits and the other species is neither helped nor harmed

27

Parasitism

A type of symbiosis in which one organism lives with, on, or in a host and harms it

28

Parasite

The organism that benefits by living, with, on or in a host in a parasitism interaction

29

Host

An organism that a parasite lives with, in, or on, and provides a source of energy or a suitable environment for the parasite to live