L.E. Regents August 2017
Assessment
•
michelle lian
•
Science
•
8th - 10th Grade
•
9 plays
•
Hard
Student preview
52 questions
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1.
Multiple Choice
A fruit fl y is classified as a consumer rather than as a producer because it is unable to
reproduce asexually
synthesize its own food
release energy stored in organic molecules
remove wastes from its body
2.
Multiple Choice
Which change is an example of maintaining dynamic equilibrium?
A plant wilts when more water is lost from the leaves than is lost by the roots.
A plant turns yellow when light levels are very low.
Insulin is released when glucose levels in the blood are high.
A person sweats when the environmental temperature is low.
3.
Multiple Choice
Organisms contain compounds such as proteins, starches, and fats. The chemical bonds in these compounds can be a source of
amino acids
simple sugars
energy
enzymes
4.
Multiple Choice
Phosphorus is necessary for the growth of healthy plants. Scientists are developing plants that can grow in phosphorus-poor soil. Some of these new varieties, produced in a lab, make extra copies of a protein that helps them obtain more phosphorus from the soil. The process being used to develop these new varieties is most likely
paper chromatography
natural selection
direct harvesting
genetic engineering
5.
Multiple Choice
Which life function is not necessary for an individual organism to stay alive?
nutrition
reproduction
regulation
excretion
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