CH3 The Biosphere

Question 1

ecology

Answer 1

The scientific study of the interactions among organisms and between organisms and their environments.

Question 2

biosphere

Answer 2

The areas on, in or around Earth where you find living organisms.

Question 3

species

Answer 3

A group of organisms so similar to one another that they are able to breed and produce fertile offspring.

Question 4

population

Answer 4

Groups of individuals that belong to the same species and live in the same area.

Question 5

community

Answer 5

Assemblages of different populations and live together in a defined area.

Question 6

ecosystem

Answer 6

A collection of all the organisms that live in a particular place along with their non-living or physical environment.

Question 7

biome

Answer 7

A group of ecosystems that have the same climate and similar dominant communities.

Question 8

biotic

Answer 8

Referring to live organisms in an ecosystem.

Question 9

abiotic

Answer 9

Referring to non-living elements in an ecosystem.

Question 10

photosynthesis

Answer 10

The process that some types of autotrophs use which uses sunlight, water and carbon dioxide molecules to create carbohydrates.

Question 11

Chemosynthesis

Answer 11

The process that some types of autotrophs use wherein they use certain chemicals and heat energy to create carbohydrates.

Question 12

atmosphere

Answer 12

Part of the biosphere that is made up of gasses.

Question 13

hydrosphere

Answer 13

Part of the biosphere that is made up of water.

Question 14

geosphere

Answer 14

Part of the biosphere that is made up of rock.

Question 15

weather

Answer 15

Day-to-day, short term changes in temperature, precipitation, clouds and wind.

Question 16

climate

Answer 16

Patterns and averages over many years of temperature, precipitation, clouds and wind.

Question 17

greenhouse effect

Answer 17

Certain gasses around Earth can trap heat near the surface.

Question 18

anthome

Answer 18

A human-altered biome.

Question 19

trophic level

Answer 19

A step in the food chain where energy is passed from one organism to the next.

Question 20

ecological pyramid

Answer 20

A diagram that shows the relative amount of energy or matter contained within each trophic level.

Question 21

biomass

Answer 21

The total amount of living tissue within a given trophic level.

Question 22

zooplankton

Answer 22

These are small, free floating animals in the oceans.

Question 23

phytoplankton

Answer 23

These are small, free floating algae in the oceans.