Fall Semester Review

Front

What is a food web?

Back

A diagram that shows interconnected food chains in an ecosystem.

Front

What are the reactants of photosynthesis?

Back

Carbon dioxide (CO2) and water (H2O) are the reactants of photosynthesis.

Front

What is population density?

Back

The number of organisms per unit area.

Front

What happens to energy as you move up the energy pyramid?

Back

The amount of energy decreases as you move from the bottom to the top of the energy pyramid.

Front

What is the energy produced in cellular respiration?

Back

ATP (Adenosine triphosphate) is the energy produced in cellular respiration.

Front

Define carrying capacity.

Back

The maximum number of individuals of a species that an environment can support sustainably.

Front

What is a limiting factor?

Back

A resource or condition that limits the growth, abundance, or distribution of an organism or a population.

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 shows a linear sequence of energy transfer, while a food web illustrates the complex interconnections between multiple food chains.

Front

What is the significance of decomposers in an ecosystem?

Back

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