Biology Semester 1 Final 2024

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What does carrying capacity mean in an ecosystem?

Back

Carrying capacity refers to the maximum number of individuals of a particular species that an environment can support sustainably without degrading the habitat.

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What are amino acids?

Back

Amino acids are organic compounds that serve as the building blocks of proteins, essential for various biological functions.

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How does sugar concentration affect respiration in yeast cells?

Back

As sugar concentration increases, the rate of respiration in yeast cells increases, indicating a direct relationship between sugar availability and metabolic activity.

Front

What is a nutrient cycle?

Back

A nutrient cycle is the movement of nutrients through the biotic (living) and abiotic (non-living) components of an ecosystem.

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What is the difference between a community and an ecosystem?

Back

A community consists of all the living organisms in a specific area, while an ecosystem includes both the community and the abiotic factors (like soil, water, and climate) that interact with the community.

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What is the role of proteins in living organisms?

Back

Proteins play crucial roles in the body, including building tissues, acting as enzymes, and supporting immune function.

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What is the significance of matter recycling in ecosystems?

Back

Matter recycling ensures that nutrients are reused and not lost from the ecosystem, maintaining balance and supporting life.

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What is exponential growth in population dynamics?

Back

Exponential growth occurs when a population increases rapidly in size, typically when resources are abundant and environmental resistance is minimal.

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What is the difference between biotic and abiotic factors?

Back

Biotic factors are the living components of an ecosystem (like plants and animals), while abiotic factors are the non-living physical and chemical elements (like water, soil, and temperature).

Front

What is a population in ecological terms?

Back

A population is a group of individuals of the same species that live in a specific area and can interbreed.