Living Environment Regents Review Jan 2020

There are over 2000 kinds of edible insects in

the world, and they are becoming an increasingly

popular source of protein. One cup of cricket

fl our contains over 28 grams of protein. The

building blocks of the protein in cricket flour are

• amino acids

• simple sugars

• water

• carbohydrates

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Which list contains only abiotic conditions that

might be found in a pond ecosystem?

• temperature of the water, green plant

  populations, dissolved minerals in the water

• temperature of the water, dissolved oxygen in

  the water, dissolved minerals in the water

• bacteria, dissolved minerals in the water,

  temperature of the water

• dissolved oxygen in the water, fish populations,

  insect populations

Protein synthesis is accomplished primarily by

the interaction of which two cell structures?

• vacuoles and mitochondria

• ribosomes and vacuoles

• nuclei and ribosomes

• nuclei and mitochondria

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NGSS.HS-LS1-1

Identical twins were separated at birth and raised

by two different families. Years later, one twin

was a physically fi t member of the cross-country

team, and the other twin was overweight with

slightly higher-than-normal blood pressure. The

differences in these twins could be explained by

the fact that

• the genes in the two individuals are

  completely different

• in twins, each individual inherits genes from

  only one parent

• the DNA bases in twins combine differently

• the environment can influence the expression

  of genes

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The diagram below represents various factors in an area.

The diagram best represents

• the recycling of energy in a forest community

• ecological succession after climatic changes

• competition for limited resources in a

  population

• the flow of materials in a forest community

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Traits are passed from parents to offspring. These

traits are determined by

• chromosomes, located on genes, found in the

  nucleus

• genes, located on chromosomes, found in the

  nucleus

• chromosomes, located on genes, found in the

  ribosomes

• genes, located on chromosomes, found in the

  ribosomes

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NGSS.HS-LS3-1

In which cell structure is energy extracted from

nutrients?

• chloroplast

• ribosome

• mitochondrion

• vacuole

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The diagram below represents a food web in a pond ecosystem. Two carnivores in the food web are

• crabs and crayfish

• water plants and clams

• small invertebrates and crabs

• bass and small invertebrates

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Dodder plants consist of tangled masses of yellow,

leafl ess vines and contain few chloroplasts. The

vines twist around and grow into the stems of

other plants and absorb water and nutrients

from them. Which statement best describes this

relationship?

• Dodder plants are parasitic, relying on host

  organisms for resources.

• Dodder plants are decomposers, returning

  organic material back to the environment.

• Dodder plants are producers, while the other

  plants that they attach to are consumers.

• Dodder plants are consumers, transferring

  energy to other plants in the ecosystem.

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Two kittens in a litter are genetically different

from each other and from their parents. These

genetic differences are most directly due to

• asexual reproduction

• sexual reproduction

• cloning

• evolution

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