Ecosystems

A system made up of organisms interacting with one another

• biology
• abiotic
• biotic
• ecosystem

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The study of interactions in an ecosystem.

• ecology
• philosophy
• scientology
• biology

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A group of the same type of organisms living in the same place at the same time.

• threatened species
• populations
• community
• limiting factor

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A species that needs to be protected but is not in danger of becoming extinct.

• endangered species
• threatened species
• sub species
• special species

Ecosystems are __________ ___________.

• always changing

• always balanced

• never changing

• never balanced

Decomposers get their food by __________.

• making it themselves
• eating live organisms
• using dead organisms
• eating themselves

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NGSS.MS-LS2-3

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

• parasitism
• commensalism
• mutualism

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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

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NGSS.MS-LS2-2

Remoras attach themselves to a shark’s body. They then travel with the shark and feed on the leftover food scraps from the shark’s meals. The relationship neither harms nor benefits the shark. 

• parasitism
• commensalism
• mutualism

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NGSS.MS-LS2-2

Oxpeckers feed on the ticks found on a rhinoceros. The oxpeckers get a meal and the rhinoceros is helped by the removal of the ticks.

• parasitism
• commensalism
• mutualism

Tags

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