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Flashcards in 7.1 Vocabulary Deck (19):
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Abiotic factors

The non-living things in the biosphere

1

Acid rain

The result of sulfur dioxide and nitrogen oxides reacting in the atmosphere and returning to the earth as rain, fog, snow, sleet, or dew

2

Biosphere

The part of the earth and its atmosphere in which living organisms exist

3

Biotic factors

Things that are living or that were once living in the biosphere

4

Carrying capacity

Maximum number of organisms in a population that an environment can support over a long period of time

5

Community

All of the living things in an ecosystem

6

Ecosystem

System in which organisms and their environment interact

7

Habitat

Place in which an organism lives

8

pH scale

Scale that measures the acidity of a solution

9

Plankton

Microscopic organisms that live near the surface of the water

10

Pollutant

Substance or condition in the air, soil, or water that harms living things

11

Population

Organisms of the same species living in a community

12

Population density

Number of individual organisms of one species in a community

13

Preferred habitat

Place where the organism has an advantage over other organisms

14

Riparian vegetation

Waterside plants

15

Sediments

Solid materials that settle to the bottom of a liquid

16

Water cycle

Movement of water throughout the biosphere

17

Water hardness

Term used to describe the amount of the minerals magnesium and calcium in water

18

Wetland

Area of land where the water level is near or above the ground surface for most of the year