Biodiversity

Biodiversity, aka biological diversity, usually refers to

• the same species in a general location

• the number of different species in a given area

• the number of animal species in a given area

• the number of plant species in a given area

Tags

NGSS.MS-LS2-5

A species that is likely to become extinct if protective measures are not taken immediately is known as

• threatened species

• endemic species

• keystone species

• endangered species

Tags

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a species that is not native to a particular region and has no natural predators and little competition

• consumer species

• producer species

• invasive species

• adapted species

What is deforestation?

• Clearing Earth's forests on a massive scale
• Eating too many vegetables

• Going to a forest and pulling weeds
• Clearing the five trees in my backyard

Tags

NGSS.MS-LS2-5

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What are the effects of deforestation ?

• loss of habitat
• increased greenhouse gasses 

• soil erosion and flooding
• all of the above

Tags

NGSS.MS-LS2-4

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What is the variety of genes present?

• biodiversity

• species diversity

• extinction

• genetic diversity

Tags

NGSS.MS-LS4-4

The practice of harvesting or hunting to such a degree that remaining individuals may not be able to replenish the population is called _____.

• biomagnification
• overexploitation
• edge effects
• natural resource

Tags

NGSS.MS-LS2-5

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The ____________________ protects people from the effects of too much ultraviolet radiation.

• smog layer

• ozone layer

• cloud cover

Pollution _________________________.

• is harmful materials put into the environment
• found in air, water, and land
• effects plants, animals, and people
• All of the above

Tags

NGSS.MS-ESS3-4

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Which of the following is the best conclusion that can be made from this graph?

• atmospheric carbon dioxide levels have been decreasing since 1960
• Hawaii has a lot of carbon dioxide
• humans have been working hard to decrease carbon dioxide levels
• atmospheric carbon dioxide levels have increased steadily since 1960