Unit 4: Revision

This refers to the building up of toxins in an individual

• biomagnification

• biodegradation

• bioaccumulation

• biotoxicity

This is the study of ecosystems

• ecology

• economy

• ecostudy

• ecoism

This refers to the interaction of living and non-living things in a particular area.

• Ecosystem

• Habitat

• Relationship

• Community

This is a type of biome that is mostly water.

• Grassland

• Forest

• Aquatic

• Tundra

This type of biome is very hot and has a large range in temperature.

• Forest

• Grassland

• Desert

• Thundra

This refers to a person or a group that comes to a foreign land to take over the area

• visitor

• foreigner

• invader

• eradicater

This refer to completely getting rid of something

• eliminating

• eradicating

• dividing

• conquering

A type of organism that lives in a habitat in which it does not naturally live.

• predative species

• consuming species

• invasive species

• foreign species

Why is an invasive species harmful to an ecosystem?

• They help other organisms

• They disrupt the food chain

• They contribute to carbon dioxide emmisions

• They are not that harmful

This refers to organisms that feeds on primary consumers

• producer

• primary consumer

• secondary consumer

• tertiary consumer