Honors Biology S1 Final Exam 2023

Front

What is nitrogen fixation?

Back

The process that changes nitrogen in the atmosphere into a form that can be used by living organisms.

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What is homeostasis?

Back

The ability of an organism to maintain a stable internal environment despite changes in external conditions.

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What is the role of producers in an ecosystem?

Back

Producers, such as plants, convert sunlight into energy through photosynthesis and are the foundation of the food web.

Front

What is adhesion in the context of water?

Back

Water's ability to stick to other substances.

Front

What does logistic growth model describe?

Back

A population growth model that shows how a population grows rapidly at first and then levels off as it reaches carrying capacity.

Front

What is denitrification?

Back

The process by which bacteria convert nitrates in the soil back into nitrogen gas, returning it to the atmosphere.

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What is the difference between natural selection and artificial selection?

Back

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring, while artificial selection is the intentional breeding of organisms by humans for desired traits.

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What is the significance of biodiversity in ecosystems?

Back

Biodiversity contributes to ecosystem resilience, productivity, and stability, allowing ecosystems to adapt to changes.

Front

What is the water cycle?

Back

The continuous movement of water on, above, and below the surface of the Earth, including processes like evaporation, condensation, and precipitation.

Front

What is a controlled experiment?

Back

An experiment in which all variables are kept constant except for the one being tested, allowing for a clear cause-and-effect relationship.