Habitats Year 7

What are sustainable ecosystems?

• Ecosystems that have a large range of animal life.

• Ecosystems that are not used up or destroyed.

• Ecosystems that do not rely on a water supply.

• Ecosystems that are often short of a food supply.

What are 'organisms'?

• Bacteria

• Another word for 'atoms'

• All living things including plants, animals and bacteria.

• Another word for 'plant life'

What is a 'biotic' factor?

• A system of plants and animals in the world

• Living factors

• Non-living factors like water, light, wind and soil

• Natural features

Which of these is an 'abiotic' factor? Choose two.

• Temperature

• Organisms to eat

• Competing organisms

• Water

Which of these are adaptations of a freshwater crocodile?

• Their eyes are on the top of their head.

• They have gills on the side of their head.

• They have poisonour spikes on their back.

• They have sharp teeth to catch prey.

Adaptations help plants to .... choose two sentence endings

• Take in oxygen and carbon dioxide.

• Move from place to place.

• Capture light.

• See in the dim light.

Which word means 'the place where all life exists, the surface of the Earth and its atmosphere'.

• symbiosis

• ecosystem

• biosphere

• adaptation

What is 'symbiosis'?

• A system formed by organisms interacting with each other

• When many species move away from that habitat

• A positive relationship between two organisms

• When two different organisms live together, in a positive or negative way

What is a botanist?

• Someone who studies insects

• A scientist who studies plants

• A conservationist who looks after the environment

• A scientist who studies the effects of fire

Which of these is the kind of relationship where one organism benefits and the other is not affected?

• Mutualism

• Biligoricalism

• Parasitism

• Commensalism