If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Unit: Interactions in ecosystems

NGSS:
MS‑LS2‑1
,
MS‑LS2‑2
,
MS‑LS2.A.1
,
MS‑LS2.A.2
,
MS‑LS2.A.3
,
MS‑LS2.A.4

0

Possible mastery points
Siri: define "zero-sum game".
NGSS:
MS‑LS2‑1
,
MS‑LS2.A.2
,
MS‑LS2.A.3
Level up on the above skills and collect up to 240 Mastery points
"Friendship" is not the word I'd use to describe the shark-remora relationship, but "mutualism" is.
NGSS:
MS‑LS2‑2
,
MS‑LS2.A.4
Level up on the above skills and collect up to 160 Mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 500 Mastery points!

About this unit

This unit explores interactions in ecosystems. Learn about populations and communities, resources and population growth, and ecological interactions.