January 2023 Living Environment Regents Questions 1-10 Question Preview (ID: 61237)
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The removal of mitochondria from a typical animal cell would have an immediate effect on the cell’s production of
a) DNA
b) oxygen
c) ATP
d) glucose
Which factor would be an abiotic limiting factor for fish living in a lake in New York State?
a) amount of algae
b) number of humans fishing
c) number of fish predators
d) acidity of the water
A native species is competing for resources with a nonnative species that was accidentally introduced into the area. The nonnative species is more likely to survive than the native species when
a) both species eat the same food
b) predators prey on both species
c) the native species is immune to a particular pathogen present in the ecosystem
d) the nonnative species has no natural enemies present in the ecosystem
The best explanation for the deaths of these organisms is that
a) consumers require sunlight to make sugars in order to survive
b) the amount of energy available to the biosphere was decreased
c) energy is produced only by plants
d) all animals eat plants for energy
DNA is formed using four kinds of base subunits. In a double-stranded segment of DNA, the percentage of the base C is 18%. What is the approximate percentage of base T?
a) 18%
b) 32%
c) 36%
d) 64%
Based on the information in the chart, how does the biodiversity present in pond A compare to the biodiversity present in pond B?
a) Pond A has greater biodiversity than pond B because there are more species present.
b) Pond B has more biodiversity than pond A because there are more plants present.
c) Both ponds have the same levels of biodiversity because there is a variety of species present.
d) The biodiversity cannot be determined without also identifying the abiotic factors present.
When a person receives a transplanted organ, many medications are necessary to keep the organ from being rejected. The process of organ rejection is similar to the one involved in
a) the growth of cancerous tissue
b) an allergic reaction
c) a genetic mutation
d) the production of an antigen
The result of the introduction of Hydrilla into native ecosystems in the United States has shown that
a) chemical controls will now be necessary to maintain every stable ecosystem
b) Hydrilla will not continue to expand beyond one year because it is not native to the United States
c) organisms in ecosystems of the United States can eventually build up an immunity to Hydrilla
d) when humans alter ecosystems by adding specifi c organisms, serious consequences can result
One result of the ability of organisms to detect and appropriately respond to stimuli is
a) an organ malfunction
b) an allergic reaction
c) dynamic equilibrium
d) gene manipulation
It is likely that the population of these bats with exceptionally long tongues will increase in the Madidi National Park ecosystem if
a) the population of plants with very deep flowers suffers a sharp decrease in number
b) the gene for the long tongue trait cannot get passed on to future generations of nectar bats
c) other mammal species with long tongues move into the area and increase competition
d) the tongue variation provides the species with an advantage in surviving and reproducing
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