IB ESS Topic 3

Which of the following leads to a decrease in biodiversity?

• introduction of invasive species

• prevention of erosion

• ecological land use planning

• pollution control

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring? 

• Evolution 

• Variation 

• Adaptation

• Natural Selection 

Tags

NGSS.MS-LS4-4

The 3 different types of biodiversity (in IB ESS) are; 

• Genes, Species, Habitats

• Genes, Species, Ecosystems

• Species, Habitats, Communities

• Biosphere, Genes, Habitats

Tags

NGSS.MS-LS4-4

An event  in which a large percentage of all living species become extinct in a relatively short period of time.

• Habitat fragmentation 

• Mass extinction

• Overexploitation

• Background extinction

Tags

NGSS.MS-LS4-1

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-1

Variation between individuals in a species in a given area refers to the...

• Species diversity

• Habitat diversity

• Genetic diversity

Tags

NGSS.MS-LS4-4

Which community has higher species evenness?

• Community A

• Community B

Tags

NGSS.MS-LS2-5

What is the species richness of the community?

Tags

NGSS.MS-LS2-5

True or false: An ecosystem with high genetic diversity is healthier than an ecosystem with low genetic diversity.

• True

• False

Tags

NGSS.MS-LS4-4

The variety of genes, species, ecosystems and ecosystem processes

• biodiversity

• species evenness

• species richness

• ecology

Tags

NGSS.MS-LS2-5

NGSS.MS-LS4-4