Ecology-- Symbiosis & Carrying Capacity

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

• parasitism

• commensalism

• mutualism

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.

• parasitism

• commensalism

• mutualism

Tags

NGSS.MS-LS2-2

Mistletoe extracts water and nutrients from a fir tree. The fir tree is harmed.

• parasitism

• commensalism

• mutualism

Tags

NGSS.MS-LS2-4

The stork uses its saw-shaped beak to cut up the dead animals it eats. As a result, the carcass of the dead animal becomes accessible for some bees to feed and lay eggs. This relationship neither harms nor benefits the stork.

• parasitism

• commensalism

• mutualism

Which of the following shows the symbiotic relationship between the rodent and the bird?

• Mutualism

• Commensalism

• Competition

Tags

NGSS.MS-LS2-2

Hermit crabs live in shells made and then abandoned by snails.

• Commensalism

• Parasitism

• Competition

Two male giraffes are fighting over the last green leaf on a dying tree.

• Competition

• Mutualism

• Predation

• Commensalism

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

a relationship that occurs when two or more organisms of the same species need the same resource at the same time

• competition

• symbiosis

• predation

Tags

NGSS.MS-LS2-2

In a parasitic relationship, one organism is ___________ and one organism benefits. 

• helped

• harmed

• unaffected

• happy

In a mutual relationship, both organisms are ________________.

• injured

• not affected

• harmed

• benefiting