Homeostasis: Lessons 1-4

Front

What is homeostasis?

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.

Front

What are abiotic factors?

Back

Abiotic factors are non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems.

Front

Give an example of an abiotic factor.

Back

Water is an example of an abiotic factor.

Front

What happens to a population when the death rate equals the birth rate?

Back

The population stays the same.

Front

What is the chemical equation for photosynthesis?

Back

6CO2 + 6H2O -> C6H12O6 + 6O2

Front

What percentage of energy is passed from one organism to another in an ecosystem?

Back

10% of energy is passed from one organism to another.

Front

What is the waste product of photosynthesis released into the environment?

Back

Oxygen is the waste product released during photosynthesis.

Front

Define biotic factors.

Back

Biotic factors are the living components of an ecosystem, such as plants, animals, and microorganisms.

Front

What role do producers play in an ecosystem?

Back

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

Front

What is the significance of the 10% rule in ecology?

Back

The 10% rule states that only about 10% of the energy from one trophic level is transferred to the next level in a food chain.