Homeostasis

Front

What is homeostasis?

Back

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

Front

Where does cellular respiration take place?

Back

Cellular respiration takes place in the mitochondria.

Front

What is an abiotic factor?

Back

An abiotic factor is a non-living component of an ecosystem that affects living organisms, such as temperature, pH, and sunlight.

Front

Which of the following is NOT an abiotic factor affecting a population's growth?

Back

Prey is not an abiotic factor; it is a biotic factor.

Front

What percentage of energy is typically transferred from producers to primary consumers?

Back

Typically, about 10% of energy is transferred from producers to primary consumers.

Front

What happens to the population of prey if a predator is removed from an ecosystem?

Back

The population of prey would likely increase.

Front

What is the role of the lungs in the circulatory system?

Back

The lungs facilitate gas exchange, allowing oxygen to enter the blood and carbon dioxide to be expelled.

Front

What is the composition of blood leaving the lungs?

Back

Blood leaving the lungs has low carbon dioxide and high oxygen.

Front

Define 'ecosystem'.

Back

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

Front

What is the significance of feedback mechanisms in homeostasis?

Back

Feedback mechanisms help regulate physiological processes to maintain homeostasis, such as temperature regulation.