Living Environment Regents DRILL 1

What is the process of natural selection?

• Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring.

• Natural selection is the method by which all organisms evolve at the same rate regardless of their environment.

• Natural selection is the phenomenon where weaker organisms dominate the ecosystem.

• Natural selection is the process of random genetic mutations that lead to extinction.

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What is competition in ecology?

• Competition occurs when two or more organisms vie for the same resources, such as food, space, or mates.

• Competition is the process by which organisms adapt to their environment over time.

• Competition refers to the relationship between predators and their prey.

• Competition is the interaction between different species in a food web.

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What is ATP?

• Adenosine Triphosphate, the primary energy carrier in living organisms

• A type of protein that helps in muscle contraction

• A carbohydrate that stores energy in plants

• A lipid that forms cell membranes

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What is the function of the cell membrane?

• It provides energy to the cell.

• It regulates what enters and exits the cell, providing protection and structural support.

• It stores genetic information.

• It synthesizes proteins.

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What is the role of chlorophyll in photosynthesis?

• Chlorophyll is a green pigment that absorbs light energy for photosynthesis.

• Chlorophyll is responsible for the respiration process in plants.

• Chlorophyll helps in the absorption of nutrients from the soil.

• Chlorophyll is a pigment that gives plants their color but has no role in photosynthesis.

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What is the definition of homeostasis?

• Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.

• Homeostasis refers to the ability of an organism to reproduce in varying environments.

• Homeostasis is the mechanism by which organisms evolve over time to adapt to their surroundings.

• Homeostasis is the process of breaking down food for energy in living organisms.

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What are enzymes and their role in biological processes?

• Enzymes are substances that slow down chemical reactions in the body.

• Enzymes are biological catalysts that speed up chemical reactions in the body without being consumed in the process.

• Enzymes are hormones that regulate metabolic processes in the body.

• Enzymes are proteins that provide structural support to cells.

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What is the predator/prey relationship?

• A biological interaction where one organism (the predator) hunts and consumes another organism (the prey) for food.

• A symbiotic relationship where both organisms benefit from each other.

• A competition between two species for the same resources.

• A relationship where one organism protects another from predators.

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What is scurvy and what causes it?

• A disease caused by a deficiency of vitamin C, leading to symptoms like fatigue, swollen gums, and joint pain.

• A viral infection that causes severe fatigue and fever.

• A bacterial infection that primarily affects the respiratory system.

• A genetic disorder that results in the inability to absorb nutrients.

Define mutualism.

• A relationship where one organism benefits at the expense of another.

• A symbiotic relationship where both organisms benefit from the interaction.

• A type of competition between two species for resources.

• A relationship where organisms live independently without affecting each other.

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