Ecology and Symbiosis

A relationship where two organisms help each other and benefit?

• parasitism

• mutualism

• commensalism

• predation

Tags

NGSS.MS-LS2-2

Barnacles create home sites by attaching themselves to whales.

• Mutualism

• Commensalism

• Parasitism

Ticks feed on deer blood with harms the deer.

• Mutualism

• Commensalism

• Parasitism

Tags

NGSS.MS-LS2-4

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

• Mutualism

• Commensalism

• Parasitism

Mistletoe extracts water and nutrient from the spruce tree it is attached to.

• Mutualism

• Commensalism

• Parasitism

Which are examples of a commensalism relationship?

• Two seals fighting for a fish

• A bird sitting on a cattle's back and eating bugs that pass by as the cow kicks them up

• a tick infesting a dog

• Orchids grow on the surface of trees in order to get better sunlight

• Golden Jackals following Tigers and eating their leftovers

Tags

NGSS.MS-LS2-2

A relationship were one organism benefits and the other is unaffected

• mutualism

• predation

• commensalism

• competition

A relationship were one organism uses another to survive; often harming it in the process

• parasitism

• mutualism

• commensalism

• competition

A community is different from a population by having what?

• Communities have biotic and abiotic factors

• Communities have one species living together

• Communities have many different species living together

• Community begins with one individual

Put the levels of organization in order from smallest to largest:

• Population, organism, ecosystem, biosphere, community

• Ecosystem, population, organism, community, biosphere

• Organism, population, ecosystem, biosphere, community

• Organism, population, community, ecosystem, biosphere