Living Environment Regents Questions

Front

What is a control group in an experiment?

Back

The control group is the part of the experiment that serves as a basis of comparison and does not receive the experimental treatment.

Front

What is the role of insulin in the body?

Back

Insulin helps maintain blood sugar levels throughout the day by regulating glucose uptake in cells.

Front

What is selective breeding?

Back

Selective breeding is the process of choosing specific plants or animals to reproduce in order to enhance desired traits.

Front

Why are nonnative insects regulated by governments?

Back

Nonnative insects may not have natural predators in new habitats, which can lead to ecological imbalances.

Front

What triggers an allergic reaction in the body?

Back

An allergic reaction occurs when the body recognizes an antigen and produces an immune response against it.

Front

Define antigen.

Back

An antigen is a substance that the immune system recognizes as foreign, prompting an immune response.

Front

What is the difference between an experimental group and a control group?

Back

The experimental group receives the treatment being tested, while the control group does not, allowing for comparison.

Front

Explain the concept of feedback mechanisms in biological systems.

Back

Feedback mechanisms are processes that help maintain homeostasis by regulating biological functions based on changes in the environment.

Front

What is the significance of biodiversity?

Back

Biodiversity refers to the variety of life in an ecosystem, which contributes to resilience and stability.

Front

How does the immune system respond to allergens?

Back

The immune system identifies allergens as threats and produces antibodies to combat them, leading to allergic reactions.