IB ESS

The current rate of species becoming extinct in the last hundred years has

• increased due to natural catastrophies.

• increased largely due to human developments.

• decreased due to human conservation efforts.

• largely remained unchanged as it is a natural evolutionary process.

Tags

NGSS.MS-ESS3-4

Which type of biodiversity considers both biotic and abiotic factors?

• None of these

• Genetic diversity

• Species diversity

• Habitat diversity

Tags

NGSS.MS-LS2-3

Biodiversity on land will tend to increase as we move towards the

• oceans

• sea level

• equator

• north or south pole

Tags

NGSS.MS-LS2-5

The greatest loss in biodiversity due to human activity is occuring in which biome?

• Boreal forest

• Tundra

• Savannah

• Tropical rainforest

Which of the following human activities does NOT depend on biodiversity?

• Agriculture

• Fishing

• Pharmacuticals

• Tourism

Tags

NGSS.MS-LS2-5

Which of the following are natural services that are provided by high biodiversity? 

I.   Wood products

II.  Protection of water resources 

III. Soils formation and protection

IV. Diversity in genes, species and ecosystems

V.  Medicinal resources and pharmaceutical drugs

VI. Pollution breakdown and absorption

• I and V only

• II, III, VI

• I, II, III, V

• II, III, IV, V

Tags

NGSS.MS-LS2-5

Sea otters eat sea urchins while sea urchins eat kelp (pacific seaweed). If sea otters are hunted, how does this affect the ecosystem?

• The population of the sea urchins will increase

• The biomass of the kelp will be reduced.

• The biodiversity of the ecosystem is reduced

• The biodiversity of the ecosystem is increased

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Biodiversity encompasses the_____ diversity of living systems, which includes the diversity of _____   ,  _____  and _____   diversity.

• total, species, habitat, genetic

• total, genetic, habitat, species

• genetic, species, habitat, total

• habitat, species, genetic, total

Tags

NGSS.MS-LS2-5