an organism whose individuals breed to produce offspring

a group of organisms of the same species living within an ecosystem

the different populations that live together in an ecosystem

community of organisms in an area and the interactions with the abiotic factors.

place where the organism lives, it meets all environmental conditions that it needs for survival

role an organism plays in the habitat.

the relationship between organisms that need the same resource in the same space

Autotrophs (aka Producers)

get their energy from the sun (photosynthesis) or chemical reactions (chemosynthesis). Examples: plants, algae, phytoplankton

Heterotrophs (AKA Consumers)

gain energy from consuming other organisms.

the feeding sequence of organisms showing the flow of energy as one species is consumed by the next.

a group of organisms within an ecosystem which fill the same level within a food chain

The connection of all the individual food chains within a community

The amount of energy decreases as you go up the pyramid due to loss through metabolic heat - 10% Rule

Shows the relative number of organisms

shows the relative amount of living organic material

Primary productivity :

the rate at which energy is converted into organic material through photosynthesis by plants

Gross Primary productivity:

the total amount of biological productivity within an ecosystem or biome

Net Primary productivity:

the rate at which producers convert solar energy into biomass minus the loss of energy through respiration

the total quantity or weight of organic material in an ecosystem OR plant material used as an energy source

Photosynthesis equation (numbers)

6CO2 + 6H2O + light energy →C6H12O6 + 6O2

Photosynthesis equation (written out)

Carbon dioxide + Water + light energy → Glucose + Oxygen

Carbon is fixed by plants through photosynthesis

Carbon is given off by consumers in Cellular Resp.

Burning of fossil fuels releases carbon (dioxide) into the atmosphere

When organisms die, they are broken down by bacteria, Carbon (dioxide) gets released into the atmosphere

Carbon is stored in carbon sinks, as organic material in organisms, soil, fossil fuels and the oceans

Anything that absorbs more carbon from the atmosphere than it releases

a carbon store that releases more carbon that it stores

Biosphere Flashcards

Student preview

38 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Biosphere

Back

The zones of Earth where living organisms can survive.

2.

FLASHCARD QUESTION

Front

Biomes

Back

Large scale ecosystems that are typically

defined by climate and the dominant vegetation type

3.

FLASHCARD QUESTION

Front

4 Major Terrestrial Biomes

Back

Desert

Grasslands

Forest

Tundra

4.

FLASHCARD QUESTION

Front

Biotic

Back

Living

organisms and their

interactions

5.

FLASHCARD QUESTION

Front

Biotic factors

Back

competition

predation

grazing

decomposers

6.

FLASHCARD QUESTION

Front

Abiotic

Back

non-living

things that influence

the structure of an

ecosystem

7.

FLASHCARD QUESTION

Front

Abiotic factors

Back

Temperature

humidity

water

oxygen

salinity

light

pH

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