Biodiversity Intro

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-LS2-4

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

Species diversity is determined from ...?

• The total population of all species

• All of these

• The eveness of populations of the species found

• the number of species or species richness

Biodiversity is important to ecosystems because ....?

• it increases as trophic levels increase

• It increases the ecosystem's stability

• It decreases the ecosystem's productivity

• It decreases the less human impact

Tags

NGSS.MS-LS2-5

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

• Boreal forest

• Tundra

• Savannah

• Tropical rainforest

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

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-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-2

Which type of biodiversity considers both biotic and abiotic factors?

• None of these

• Genetic diversity

• Species diversity

• Habitat diversity

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-3

Which of the following activities is likely to cause the diversity index of a study site to be higher in the future compared to others?

• Increasing the number of roads through the tropical rainforest to encourage tourism in Indonesia

• The Cayman Islands banning fishing on all coral reefs.

• North America converting more land to agriculture to feed a growing world population.

• Mangrove forests cut down for shrimp farms in Thailand.

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

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

• Agriculture

• Fishing

• Pharmaceuticals

• Tourism

Tags

NGSS.MS-LS2-5

What is biodiversity?

• all non-living things in an environment

• the variety of all life on Earth

• the variety of plants on Earth

Tags

NGSS.MS-LS2-5

Is it better for an environment to have a high or low amount of biodiversity?

• high

• low

Tags

NGSS.MS-LS2-5