Symbiotic Relationships

A role a species plays and includes the type of food it eats, where it lives, and its relationships with other species.

• niche
• habitat
• ecosystem

A relationship between two organisms in which both organisms benefit.

• commensalism
• mutualism
• parasitism

Two organisms fighting over the same resource.

• commensalism
• niche
• competition

Tags

NGSS.MS-LS2-1

A relationship between two organisms where one benefits and the other is neither harmed nor helped.

• commensalism
• competition
• niche

A relationship between two organisms where one species benefits while the other is harmed.

• commensalism
• mutualism
• parasitism

Barnacles create home sites by attaching themselves to whales.  This neither harms nor benefits the whales.  What type of symbiotic  relationship is this?

• mutualism
• commensalism
• parasitism

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.  What type of symbiotic relationship is this?

• mutualism
• commensalism
• parasitism

Tags

NGSS.MS-LS2-2

A flea feeds on a mouses' blood to the harming of the mouse.  What type of symbiotic relationship is this?

• commensalism
• mutualism
• parasitism

Tags

NGSS.MS-LS2-2

Hermit crabs live in shells made and then abandoned by snails.  This neither harms nor benefits the snails.  What type of symbiotic relationship is this?

• parasitism
• commensalism
• mutualism

Tags

NGSS.MS-LS2-2

Mistletoe takes water and nutrients from the spruce tree.  The spruce tree eventually dies.  What type of symbiotic relationship is this?

• commensalism
• parasitism
• mutualism