BIO 1 Ch.1-8 Review

Front

What is homeostasis?

Back

Homeostasis is your body's ability to maintain constant internal conditions despite changes in the external environment.

Front

What is biomass in an ecological pyramid?

Back

Biomass refers to the total amount of living matter in each trophic level of an ecological pyramid.

Front

Which substance is not part of a nucleotide?

Back

Water is not part of a nucleotide; nucleotides consist of a phosphate group, a sugar, and a nitrogenous base.

Front

Which natural disaster requires the least amount of recovery time?

Back

A lightning strike requires the least amount of recovery time compared to other natural disasters.

Front

Which human-caused disaster requires the greatest recovery time?

Back

Groundwater exploitation requires the greatest recovery time among human-caused disasters.

Front

What is the powerhouse of the cell?

Back

The powerhouse of the cell is the mitochondria, which produces energy in the form of ATP.

Front

Define a nucleotide.

Back

A nucleotide is the basic building block of nucleic acids, consisting of a phosphate group, a sugar, and a nitrogenous base.

Front

What is an ecological pyramid?

Back

An ecological pyramid is a graphical representation that shows the distribution of biomass, numbers, or energy among trophic levels.

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.