B3 - Biology

Question 1

List three ways in conservation of the environment can be carried out

Answer 1

National parks, wildlife centres and zoos, protection of endangered species, more efficient engines to reduce emissions when burning fossil fuels, greater awareness of using alternative forms of energy (wind/geothermal) to reduce pollution from burning fossil fuels, recycling of household waste and reduce landfill

Question 2

Name three fossil fuels

Answer 2

Coal, oil, gas

Question 3

What is an organism?

Answer 3

An organism is a living thing

Question 4

What is the difference between an artery and a vein?

Answer 4

An artery transports oxygenated blood away from the heart. A vein transports de-oxygenated blood back to the heart.

Question 5

Name two features that are common to all arthropods?

Answer 5

Athropods all have a body made from three segments, an exoskeleton and a nervous system

Question 6

Explain what we mean by the term habitat?

Answer 6

Habitat – a place where a species lives. A habitat is required to have enough food, shelter and protection to an organism. They also need a safe place for them to raise their young.

Question 7

Explain what we mean by the term environment?

Answer 7

Environment – all the conditions that surround an organism.

Question 8

What do we mean by the term community?

Answer 8

Community – all the populations of different organisms that live together in a habitat

Question 9

Explain why the use of fossil fuels is causing problems for wildlife

Answer 9

They pollute the air, causing acid rain