Relationships

Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.

• commensalism

• parasitism

• mutualism

Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment.

• commensalism

• parasitisim

• mutualism

Tags

NGSS.MS-LS2-2

Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both species benefit.

• commensalism

• parasitism

• mutualism

Tags

NGSS.MS-LS2-2

Hermit crabs live in shells made and then abandoned by snails. This neither harms nor benefits the snails.

• commensalism

• parasitism

• mutualism

Tags

NGSS.MS-LS2-1

In the context of PERMA, what does 'R' emphasize?

• Respect

• Resilience

• Relationships

• Reflection

Which of the following best describes a mutualistic relationship?

• One organism benefits while the other is harmed.

• Both organisms benefit.

• One organism benefits while the other is unaffected.

• Both organisms are harmed.

Tags

DOK Level 1: Recall

What is a direct relationship?

• as one variable increases the other decreases

• as one variable increases the other increases

• variables repeat and are predictable

One way to keep your relationships healthy is to...

• express your emotions

• be kind to your friends

• exercise at least 30 minutes everyday

• brush your teeth twice a day

As buffalos walk through grass, insects become active and are seen and eaten by cowbirds. This neither harms nor benefits the buffalo.

• commensalism

• parasitism

• mutualism

A flea feeds on a mouse's blood to the mouse's harm.

• commensalism

• parasitism

• mutualism

Tags

NGSS.MS-LS2-2