Topic 10 p2

Question 1

What are abiotic factors

Answer 1

Nonliving factors of the environment

Question 2

What are biotic factors

Answer 2

Living factors of the environment

Question 3

What is a ecosystem

Answer 3

The interaction of a community of biotic with abiotic parts of the environment

Question 4

What is interdependence

Answer 4

When a species are dependent on each other

Question 5

What can a change in the ecosystem cause

Answer 5

Far-reaching effects

Question 6

Abiotic factors examples

Answer 6

Light intensity temperature common dioxide level wind intensity

Question 7

Biotic factors examples

Answer 7

Competition new pathogens availability of food new predators arriving

Question 8

What are the adaptations that allow organisms to survive

Answer 8

Structural behavioural functional

Question 9

What is structural adaptation

Answer 9

Organisms body structures such as shape or colour that can help camouflage themselves or sneak up on prey

Question 10

What is behavioural adaptation

Answer 10

Ways organisms behaved. Many species migrate to warmer climates during winter to avoid problems of living in cold conditions

Question 11

What is functional adaptation

Answer 11

Things that go on inside an organisms body that can be related to processes like reproduction and metabolism

Question 12

What are extremophiles

Answer 12

Microorganisms that are adapted to live in very extreme conditions for examples in high temperatures

Question 13

What are consumers that hunt and kill other animals called

Answer 13

Predators and Their prey r what they eat

Question 14

What is a quadrat used to provide

Answer 14

A sampling area of known size and the quadrant is placed on the ground and the number of organisms it covers is counted

Question 15

Want to transects show

Answer 15

Distribution of organisms across one area

Question 16

What do environmental changes affect

Answer 16

Distribution of organisms which changes where an organism lives

Question 17

What are the environmental changes that affect the distribution of organisms

Answer 17

Temperature availability of water and atmospheric gases for example air pollution

Question 18

What can decomposition produce

Answer 18

Compost that is used as a natural fertiliser for crops and garden plants

Question 19

What factors affect the rate of decay

Answer 19

Temperature water availability oxygen availability and number of decay organisms

Question 20

What is biogas made up of and how is it made

Answer 20

Made up of methane which can be burned as a fuel and is made by anaerobic decay of waste material

Question 21

What are the two main types of biogas generators

Answer 21

Batch generators and continuous generators

Question 22

What are batch generators

Answer 22

Makes biogas in small amounts and are manually loaded up with waste

Question 23

What are continuous generators

Answer 23

Makes biogas all the time waste is continuously fed in and biogas is produced at a steady rate

Question 24

What does a continuous or batch generator need to have

Answer 24

Inlet for waste material to be put in

outlet for the digested material to be removed through

outlets so that biogas can be piped to where it is needed

Question 25

What is biodiversity

Answer 25

The variety of different species of an organism on Earth or within an ecosystem

Question 26

Why is deforestation done

Answer 26

To clear land for farming to provide more food and to grow crops from which biofuels based on ethanol can be produced

Question 27

What programs are done to protect ecosystems and biodiversity

Answer 27

Breeding programs habitat protection prevent global warming and reducing waste

Question 28

What are breeding programs

Answer 28

Set up to prevent endangered species from becoming extinct

Question 29

What is habitat protection

Answer 29

To protect and regenerate rare habitats like mangroves heathland and coral reefs and to preserve the ecosystem and biodiversity in the area

Question 30

What is the global warming program

Answer 30

Government introduced laws to reduce level of deforestation and carbon dioxide released by businesses

Question 31

What is reducing waste program

Answer 31

People encouraged to recycle and reduce amount of waste

Question 32

What is the conflict for protecting biodiversity

Answer 32

Costs money protecting our food security and development is important

Question 33

What are trophic levels

Answer 33

Different levels of a food chain

Question 34

What is trophic level one

Answer 34

Producers they make their own food by photosynthesis using energy from the Sun

Question 35

Trophic level two

Answer 35

Herbivores that eat plants and algae and primary consumers

Question 36

Trophic level three

Answer 36

Carnivores that eat primary consumers and secondary consumers they are meat eaters

Question 37

Trophic level four

Answer 37

Carnivores eat other carnivores are tertiary consumers also known as apex predators

Question 38

What do decomposers such as bacteria and fungi do

Answer 38

Decompose the plant or animal material left in environment by secreting enzymes that break the stuff down into small soluble food molecules then diffuse into Microorganisms

Question 39

What happens when you move up a stage in a food chain

Answer 39

There is less energy and less biomass

Question 40

Why is biomass lost between each trophic level

Answer 40

Organisms don't absorb all staff in food they take in.some of biomass is converted into other substances that are lost as waste

Question 41

What is food security

Answer 41

Having enough food to feed a population

Question 42

What can threaten food security

Answer 42

Increase population Diets in countries change Farming can be affected by new pests and pathogens Farming costs

Question 43

What is sustainable production

Answer 43

Making enough food without using resources faster than they renew

Question 44

What does overfishing reduce

Answer 44

Fish stocks meaning there are fewer fish

Question 45

How can fish stocks be maintained

Answer 45

Fishing quotas and net size

Question 46

What is fishing quotas

Answer 46

Limits number and size of fish that can be caught in certain areas

Question 47

What is net size

Answer 47

Change mesh size to reduce number of unwanted fish

Question 48

What is mycroprotein

Answer 48

Food from fungi