2023 Biology 1st Semester Final Exam Review

Front

What is the definition of a biotic factor?

Back

A biotic factor is any living component that affects the population of another organism or the environment. Examples include plants, animals, and microorganisms.

Front

What is the definition of an abiotic factor?

Back

An abiotic factor is a non-living component of an ecosystem that influences living organisms. Examples include sunlight, temperature, water, and minerals.

Front

Which macromolecule is primarily used for long-term energy storage in organisms?

Back

Lipids are the macromolecules used for long-term energy storage.

Front

What is the role of carbohydrates in living organisms?

Back

Carbohydrates serve as a primary source of energy and are also involved in structural functions in cells.

Front

What is carrying capacity in an ecosystem?

Back

Carrying capacity is the maximum number of individuals of a particular species that an environment can support sustainably.

Front

What is a carnivore?

Back

A carnivore is an organism that primarily eats meat or the flesh of other animals.

Front

What is a producer in an ecosystem?

Back

A producer is an organism that can make its own food through photosynthesis or chemosynthesis, such as plants and algae.

Front

What is cellular respiration?

Back

Cellular respiration is the process by which cells break down glucose and other molecules to produce energy (ATP) in the presence of oxygen.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

Front

What is the difference between herbivores and omnivores?

Back

Herbivores are animals that primarily eat plants, while omnivores eat both plants and animals.