Living Environment Regents (Jan 2015)

What observation could lead to the conclusion that an object is nonliving?

• It passes on hereditary information only through asexual reproduction
• It carries out synthesis
• It cannot perform metabolic processes
• it is composed of a cell, but does not have tissues

Decomposers are necessary in a food chain because they

• manufacture food by photosynthesis
• return nutrients to the ecosystem
• absorb energy from the Sun
• Produce organic nutrients

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NGSS.MS-LS2-3

In early spring, many wildflowers begin to grow, produce flowers, and release seeds. The leaves of the wildflowers make food before the leaves of the trees in the area begin to develop. the early growth pattern of the wildflowers would result in

• decreased competition for sunlight between the trees and the wildflowers
• decreased competition for suitable temperature between the trees and the wildflowers
• increased competition for space between the trees and the wildflowers
• increased competition for oxygen between the trees and wildflowers

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which sequence best represents increasing complexity?

• tissues to cells to organelles to organs
• cells to organelles to organs to organism
• organelles to cells to tissues to organs
• organism to cells to tissues to organelles

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NGSS.HS-LS1-2

The cytoplasm in a single-celled organism and circulatory system in a human both

• break down molecules into smaller pieces
• release energy to be used by the organism
• transport substances throughout the organism
• distribute blood to all of the parts of the organism

A hydrangea plant has blue flowers when grown in acidic soil, but has pink flowers when grown in basic soil. A clone of the pink-flowered plant is grown in acidic soil and produces blue flowers. This change in flower color is most likely due to

• sexual reproduction in the plants, resulting in variation
• asexual reproduction in the plants, resulting in variation
• genes being expressed in different ways due to environmental conditions
• a gene mutation that occurred after the clone was produced

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NGSS.HS-LS4-5

A significant difference between the effects of the genetic information passed on from asexually reproducing parents to their offspring and sexually reproducing parents to their offspring is the

• degree of modification of the size of chromosomes
• types of DNA subunits
• number of chromosomes in the body cells of the offspring
• amount of variation between the parents and the offspring

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NGSS.MS-LS3-2

A normal sequence of DNA bases in a single human skin cell is CATGGC. If this sequence replicates in this cell and becomes GATGGC, this alteration will most likely be passed to

• every cell that develops from it
• all human body cells
• offspring of the human
• all skin cells of this person

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NGSS.HS-LS3-2

NGSS.HS-LS3-1

Beta cells in the pancreas and human skin cells both contain the insulin gene. The beta cells can make insulin; however, skin cells cannot. Which process is responsible for this gene being expressed in one cell type and not in another cell type?

• mitosis
• replication
• differentiation
• meiosis

Tags

NGSS.HS-LS1-4

Information in segments of human DNA can be expressed by bacterial cells as a result of

• sexual reproduction
• random mutation
• genetic variability
• genetic engineering

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NGSS.MS-LS4-5