IB ESS Topic 3

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

• Species diversity

• Habitat diversity

• Genetic diversity

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

Define Species Diversity.

• The number of species in an area.

• The relative abundance of species (populations).

• The number of species in an area AND their relative abundance.

• The genetic diversity of a species.

Tags

NGSS.MS-LS2-5

Which of the following would include a species approach to conservation?

• Protected areas and nature reserves

• Captive breeding

• Reintroduction

• Flagship species

• Umbrella species

Tags

NGSS.MS-LS2-5

Which of the following is an ecological reason to preserve biodiversity?

• Life-support service value e.g. stable climate

• Unknown value in the potential of the species for agriculture, medicine, genetic diversity and biotechnology

• Nature can provide inspiration for all kinds of artworks

• Intrinsic value of the environment or right of individuals or species to exist

Tags

NGSS.MS-LS2-5

What kinds of species would you more likely find in a pioneer community?

• r-selected species

• K-selected species

• Large mammals

• Flagship species

Why does species diversity increase as succession increases from pioneer to climax community?

• More predators

• More soil

• More habitats

• Lower disturbance

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is the number one threat to the loss of biodiversity?

• Overharvesting/Exploitation

• Pollution

• Overpopulation

• Habitat Loss

• Invasive species

Tags

NGSS.MS-LS2-5

Biodiversity includes which of the following?

• Species diversity

• Habitat diversity

• Genetic diversity

• Economic diversity

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Which statement most closely aligns with criteria for an endemic species.

• Species that are endangered.

• Species that are common.

• Keystone species.

• Species found only in one place in the world.

What is an invasive species?

• A native (naturally found) species which are added to an area.

• A non-native (not naturally found) species added to an area.

• A keystone species in an environment

• A flagship species in an environment

Tags

NGSS.MS-LS2-5