Semester 2 Exam Review

What is the name of a species that's introduced into an ecosystem in which it didn't originally exist?

• invasive species

• pervasive species

• cursive species

• pioneer species

How is biomass different from biodiversity

• Biomass is the variety of different in an ecosystem and biodiversity is the total amount of organisms.

• Biomass is the total amount of organisms in an ecosystem and biodiversity is the variety of different species

• They are both different words for the same thing

• Biomass and biodiversity are antonyms.

Tags

NGSS.MS-LS2-5

Which word describes an ecosystem that never changes?

• dynamic

• solitary

• carrying capacity

• static

Which type of ecosystem would best survive a severe drought?

• one with low biodiversity

• one with low biomass

• one with high biodiversity

• one with high biomass

Tags

NGSS.MS-LS2-5

What's the name of a species that most other organisms rely on in an ecosystem?

• key-lime-pie species

• G.O.A.T.

• keystone species

• milestone species

What does the number 7,000,000,000 best represent?

• Mr. Jackson's age

• human population worldwide

• the number of questions on the final exam

• A number greater than 0 but less than infinity

Tags

NGSS.MS-ESS3-4

What's the best way a 7th grader could reduce their impact on climate change?

• Unplug your electronic devices when not in use

• Force everyone to stop eating meat

• Buy a Tesla

• Make a suit of armor out of solar panels

Tags

NGSS.MS-ESS3-4

Mutualism is best defined as

• a symbiotic relationship where one organism gains and the other ones is hurt.

• a symbiotic relationship where both organisms are hurt.

• a symbiotic relationship where one organism gains and the other ones is unaffected.

• a symbiotic relationship where both organisms gain.

A niche is best defined as?

• a small scratch

• a ditch that nightingales hide in

• a tiny army of wombats

• a specific role, job, or function the animal serves in the ecosystem

What are some examples of natural resources?

• plastics, pizza, and paella

• screws, nuts, and bolts

• water, petroleum, and trees

• Rick and Morty Season 1, Season 2, and Season 3

Tags

NGSS.4-ESS3-1