Chapter 1.1 Equilibrium in the biosphere

Question 1

Dynamic equilibrium

Answer 1

a state of balance between continuing processes

energy coming in ans out equally

Question 2

Biosphere

Answer 2

The regions of the surface, atmosphere and hydrosphere of the earth occupied by living organisms

Question 3

Biotic

Answer 3

Relating or resulting from living things, especially in their ecological relations

Question 4

Abiotic

Answer 4

Physical rather than biological; not derived from living organisms
contributes to an organisms survival

Question 5

Populations

Answer 5

a group of organisms of one species that interbreed and live in the same place at the same time (genetically linked) for example the Bickley or Resendes population

Question 6

Community

Answer 6

An ecological unit composed of a group of organisms and their physical environement

Question 7

Ecosytem

Answer 7

a biological community of interacting organisms and their physical environment

Question 8

Biodiversity

Answer 8

The variety of life in the world or in a world or in a particular habitat or ecosytem

Question 9

Food chain

Answer 9

Shows how each living thing gets food and how energy and nutrients are passed from creature to creature or plant

Question 10

Food web

Answer 10

Less organised version of a food chain for example hawk eats fox and fox also eats hawk

Question 11

Producer

Answer 11

Make their own food (also known as autographs) They take energy from the sun or chemicals and with the help of water convert it into glucose or food (energy)

Question 12

Consumer

Answer 12

a person or thing that eats or uses

Question 13

Endangered species

Answer 13

a species of animal or plant that is seriously at risk of extinction

Question 14

Indicator species

Answer 14

Species that tell/show us if the habitat that they are living in is habitable and/or safe

Question 15

Herbivore

Answer 15

an animal that feeds solely on plants

Question 16

Carnivore

Answer 16

Only eats meat or flesh

Question 17

Omnivore

Answer 17

an animal or person that eats food of both plants and meat origin

Question 18

Decomposers

Answer 18

an organism especially a soil bacterium, fungus or invertebrae that decomposes organic material

Question 19

Detritus

Answer 19

Organic compounds that are left over after decomposation

Question 20

Habitat

Answer 20

The natural home or environment of an animal, plant etc.