January 2018 Living Environment Regents Questions 1-10 Question Preview (ID: 56827)

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Which organisms and set of characteristics are correctly paired?

a) fungi—carry out photosynthesis and heterotrophic nutrition

b) plants—carry out respiration and autotrophic nutrition

c) decomposers—carry out photosynthesis and autotrophic nutrition

d) animals—carry out autotrophic nutrition and heterotrophic nutrition

Humans have an effect on ecosystems when they use native grasslands or forested areas for farming or urban use. One negative effect of these changes on the ecosystem is that there will be

a) less biodiversity

b) more homes

c) successful economic growth

d) increased food production

If the areas labeled A were completely blocked on both sides, the most likely result would be that

a) egg and estrogen production would stop

b) sperm and insulin production would stop

c) fertilization would not occur

d) an embryo would develop

Which human activity would most directly reduce the amount of plastic garbage that enters the ocean?

a) Ban the production and usage of all bags made from recycled plastic.

b) Clean up plastic trash from shorelines, rivers, and other waterways that fl ow into the oceans.

c) Manufacture fewer reusable water bottles, so that people will be more likely to use disposable ones.

d) Implement a glass bottle deposit system to discourage people from recycling plastic bottles.

Which action would not be considered a reason for the decline in monarch butterfly populations?

a) illegal deforestation

b) extreme temperature changes

c) decreasing food supplies

d) habitat preservation

Finches on the Galapagos Islands express a variety of traits. Variability in the offspring of these finches is a result of

a) mutation and cloning

b) meiosis and mutation

c) mitosis and asexual reproduction

d) mitosis and genetic recombination

Exposure to certain environmental toxins, such as pesticides, may reduce fertility in males by interfering with their ability to produce gametes. These toxins are most likely having an effect on the

a) testes and progesterone

b) ovaries and testosterone

c) ovaries and estrogen

d) testes and testosterone

Which statement best describes an important process carried out by structure X?

a) Milk passes from the mother to the fetus.

b) Materials are exchanged between fetal and maternal blood.

c) Maternal blood is converted into fetal blood.

d) Oxygen diffuses from fetal blood to maternal blood.

Consumers who switch to modern lightbulbs are most likely

a) spending more money for no good reason

b) trying to stop pollution of the oceans

c) trading a short-term cost for long-term savings

d) helping traditional lightbulb factories employ people

Many oak trees are cut down and removed from an oak-hickory forest. A likely result of the direct harvesting of the oak species would be the

a) disruption of natural cycles

b) conservation of these natural forest resources

c) recycling of all the nutrients in the forest

d) prevention of the extinction of animals native to the area

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