Biodiversity

Biodiversity, aka biological diversity, usually refers to

• the number of people on Earth

• the variety of species on Earth

• the number of animal species in a specific area

• the number of plant species in a specific area

Tags

NGSS.HS-LS4-5

a species that is not native to a particular region

• endemic

• exotic

• endangered

• extinct

Tags

NGSS.HS-LS4-5

species that are native to and found only within a limited area

• endemic

• exotic

• endangered

• extinct

a species at risk, but not yet endangered

• endangered

• exotic

• endemic

• threatened

Tags

NGSS.HS-LS4-5

Which of the following would be most effective in slowing the loss of biodiversity?

• creating large parks/preserves in biodiversity hotspots

• requiring every country to maintain a seed bank

Tags

NGSS.HS-LS2-7

In what part of the world are the greatest number of extinctions occurring?

• in deserts

• in the Arctic

• in tropical rain forests

Tags

NGSS.HS-LS4-5

NGSS.HS-LS4-2

According to biologists, what percentage of species have become or are expected to become extinct between 1900 and 2100?

• 1%

• 10%

• 25%

• 60%

Tags

NGSS.HS-LS4-5

NGSS.HS-LS2-2

Why is biodiversity important to ecosystems?

• It helps populations adapt to ecological changes.

• It increases at each level of the food chain.

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

Where are many critical biodiversity hotspots located?

• islands, tropical rain forests, and coastal areas

• cities and developed areas of the world

Tags

NGSS.MS-LS2-5

The lionfish is a venomous fish found primarily in the Red Sea and the Indian Ocean. In the 1990s, lionfish were accidentally released into the Atlantic Ocean, where they found abundant resources and favorable environmental conditions. Which of the following scenarios is most likely to result in the lionfish having a major impact on the communities into which they were introduced?

• With no natural predators, the lionfish population will become very large.

• Some native species of invertebrates will develop a resistance to lionfish venom.

Tags

NGSS.HS-LS4-5

NGSS.HS-LS2-6