Ecosystems

Producer...

• An organism Makes its own food from organic compounds bottom level of an energy pyramid; majority of all biomass.

  " autotrope "

• An organism that can't produce its own food to it must eat other organisms- top levels of an energy pyramid.

  " Heterotroph "

• An organism Makes its own food from organic compounds bottom level of an energy pyramid; majority of all biomass.

  " Heterotroph "

• An organism that can't produce its own food to it must eat other organisms- top levels of an energy pyramid.

  " autotrope "

Tags

NGSS.MS-LS2-3

Which trophic level would be negatively affected initially if the secondary

consumers were removed?

• Producers

• Primary consumers

• Tertiary consumers

• Quaternary consumers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Vines grow by climbing and wrapping around trees. Trees covered

by vines can die because they are starved of sunlight. What type of

relationship exists between the trees and the vines growing on them?

• competition

• mutualism

• parasitism

• predator-prey

Tags

NGSS.MS-LS2-2

How do organisms like plants contribute to water cycle?

• through condensation

• through evaporation

• through precipitation

• through transpiration

Tags

NGSS.MS-ESS2-4

the living parts of an ecosystem

• biotic factors
• biology
• abiotic factors
• animals

Tags

NGSS.MS-LS2-2

What impact do resources, such as sunlight and water, have on a forest ecosystem?

• They limit the carrying capacity of the ecosystem.

• They increase habitat areas for new organisms entering the ecosystem.

• They decrease the number of diseases resulting from overpopulation.

• They alter the rate of photosynthesis, resulting in more oxygen being produced.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-4

• Producer
• Primary Consumer
• Secondary Consumer
• Decomposer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.

• mutualism
• commensalism
• competition
• parasitism

Tags

NGSS.MS-LS2-2

Cattle egrets are birds that forage in fields among cattle. The egrets get easy access to food and the cattle don't care if they are there or not.

• mutualism
• commensalism
• competition
• parasitism

Tags

NGSS.MS-LS2-2

What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

• commensalism
• mutualism
• parasitism
• predation