NY Regents Living Environment Practice Questions
20 free NY Regents Living Environment practice questions with worked answers. Tap an option to check your answer and read the explanation — then get a personalized study plan.
Studying fossils provides evidence for evolution because fossils
| Rat Group | Alcohol Exposure |
|---|---|
| 1 | No alcohol exposure |
| 2 | 4.5g/kg/day given over a 4-hour period |
| 3 | 4.5g/kg/day given over an 8-hour period |
| 4 | 6.6g/kg/day given over a 24-hour period |
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Which statement best describes the interactions between the structures found within a single-celled organism?
Sexually reproduced offspring have traits similar to their parents because they receive
This short set is scored adaptively and keeps its own count. It's separate from the 20 free NY Regents Living Environment questions on this page, which carry on below.
Which row in the chart below correctly pairs a group of organisms with the type of nutrition they carry out?
Rubber usually comes from petroleum or from the Asian rubber tree plant. Scientists have modified a single trait in the domestic plant, guayule, to increase its ability to produce rubber for commercial use. The process that was most likely used to modify the plants' trait and increase their natural rubber production was
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A response of a normally functioning immune system that can be harmful is
| Row | Autotrophic Nutrition | Heterotrophic Nutrition |
|---|---|---|
| (1) | carnivores | herbivores |
| (2) | decomposers | carnivores |
| (3) | herbivores | producers |
| (4) | producers | decomposers |
Which molecules are normally found in single-celled organisms?
Hammerhead sharks are unlike most other shark species. Nearly all shark species either lay eggs or give birth to live young after their eggs hatch internally. Hammerhead sharks form a placenta, a structure more commonly found in mammals, such as humans. One role of the placenta in the development of offspring is normally to
PCR, Polymerase Chain Reaction, is a method for carrying out DNA replication. In order to perform this technique, a scientist would need
A student used a microscope to examine some cells. He observed strands located in the nuclei of these cells. These strands are responsible for coding different proteins and are known as
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Farmers have been planting crops that express an insecticide gene, so that when pests consume these crops, the pests are poisoned. Unfortunately, since these plants were introduced in 1996, growing numbers of insect pests have developed resistance to the insecticide. The process that led to the insect resistance can best be explained by
Killer whales are an endangered species. The decline in the whales' numbers has been linked to poor nutrition, resulting in the inability to maintain a pregnancy. This risk to developing whale embryos is most likely a result of
A biotechnology tool, known as CRISPR-Cas9, allows scientists to precisely edit genes. In order to edit genes, CRISPR-Cas9 must be able to
By measuring the colors of light reflected by different tree species in a forest, scientists can determine the amount of biodiversity present in different areas. Maintaining biodiversity is important because it
The cells in the diagram below were present in the same individual. These cells are most similar in the
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Large numbers of white-tailed deer on Long Island are infested with ticks that transmit Lyme disease to other mammals. One attempt to control reproduction in these ticks has been the release of large numbers of sterilized male ticks. When compared to using pesticides, this method to control ticks would
The model below summarizes one pathway of energy transfer in an ocean ecosystem. The type of organism represented by box X could be
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Which sequence best represents the correct order of events in the formation of a sexually reproduced individual?
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Direct harvesting occurs when
In New York State, it is common for farmers to plant large fields of one crop, such as the cornfield shown below. A negative outcome of this practice is that
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