Semester 1 Biology Review

Front

What is a limiting factor?

Back

A limiting factor is something that regulates the size of a population, such as food availability, predation, disease, and habitat space.

Front

What elements are found in proteins?

Back

Carbon, Hydrogen, Oxygen, and Nitrogen are the primary elements found in proteins.

Front

If 6,000,000 kCal are available for the ant, how many kCal are available for the hawk at the top of the pyramid?

Back

6,000 kCal are available for the hawk at the top of the pyramid.

Front

What is net energy gain?

Back

Net energy gain is the energy gained by eating the prey minus the energy lost by hunting the prey.

Front

What is carrying capacity?

Back

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

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of different species.

Front

What is the role of producers in an ecosystem?

Back

Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass, while a food web is a complex network of interconnected food chains.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

What is the significance of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.