B16/17 - Adaptations, interdependence & competition/organising an ecosystem

Question 1

Abiotic factor

Answer 1

An ecological factor that concerns the non-living part of the environment, e.g. rainfall, pH, temperature, etc.

Question 2

Adaption

Answer 2

Special feature that makes an organism particularly well suited to the environment where it lives.

Question 3

Biodiversity

Answer 3

The number and variety of different organisms found in a specified area.

Question 4

Biotic factor

Answer 4

An ecological factor that concerns the living part of the environment, e.g-predation, food, competition

Question 5

Carnivores

Answer 5

Animals that eat other animals.

Question 6

Communities

Answer 6

All the living organisms present in an ecosystem. This includes all species of plants.

Question 7

Competition

Answer 7

The process by which living organisms compete with each other for limited resources such as food, light or reproductive partners.

Question 8

Ecosystem

Answer 8

A biological community and the abiotic factors associated with it.

Question 9

Egestion

Answer 9

The removal of waste products form the body as faeces.

Question 10

Extremophiles

Answer 10

Organisms which live in environments that are very extreme, e.g. very high or very low temperatures, high salt levels or high pressures.

Question 11

Habitat

Answer 11

The particular place where an organism lives.

Question 12

Herbivores

Answer 12

Animals that feed on plants.

Question 13

Ingestion

Answer 13

The method of taking food into the organism, e.g. eating.

Question 14

Interdependence

Answer 14

Within a community each species depends on other species for food, shelter, pollination, seed dispersal, etc. if one species is removed it can affect the whole community.

Question 15

Migration

Answer 15

The movement of a population of organisms from one environment to another.

Question 16

Apex predators

Answer 16

Carnivores with no predators.

Question 17

Carbon cycles

Answer 17

The cycling of carbon through the living and non-living world.

Question 18

Carnivores

Answer 18

Animals that eat other animals.

Question 19

Combustion

Answer 19

The process of burning.

Question 20

Decomposers

Answer 20

Microorganisms that break down waste products and dead bodies.

Question 21

Decomposition

Answer 21

The chemical breakdown of all living, or once living material, into simpler molecules.

Question 22

Ecosystem

Answer 22

A biological community and the abiotic factors associated with it.

Question 23

Food chain

Answer 23

A sequence which represents the way in which energy is transferred from one organism to another.

Question 24

Herbivores

Answer 24

Animals that feed on plants.

Question 25

Predator

Answer 25

An animal which preys on other animals for food.

Question 26

Prey

Answer 26

An animal that is a source of food for a predator.

Question 27

Primary consumers

Answer 27

An organism that feeds on plants.

Question 28

Producers

Answer 28

Organisms that can produce their own food from simple molecules and an energy source.

Question 29

Secondary consumers

Answer 29

A carnivore that only feeds upon herbivores.

Question 30

Tertiary consumers

Answer 30

A carnivore that feeds on other carnivores.

Question 31

Tropic levels

Answer 31

One of the steps in a food chain.

Question 32

Water cycle

Answer 32

The circulation of water between the atmosphere, land and oceans.