Final Exam-Biology 24/25

Front

What is homeostasis?

Back

The process by which a living organism maintains stable internal conditions despite changes in the external environment.

Front

How do organisms respond to biotic/abiotic factors and internally regulate themselves?

Back

Maintaining homeostasis

Front

What is happening at the cellular level for homeostasis to occur?

Back

Cells adjust their membrane permeability to maintain balance

Front

What is photosynthesis?

Back

A process used by plants and other organisms to convert light energy into chemical energy

Front

What is cellular respiration?

Back

A process by which cells produce energy from carbohydrates

Front

Which nutrient cycle is shown in the diagram to the left?

Back

Carbon Cycle

Front

Explain how consumers, such as otters, obtain the materials they need for cellular respiration. Be specific! How do these materials get from the environment to the mitochondria?

Back

By consuming other organisms and absorbing nutrients

Front

If the environment gets cold, we will often shiver in order to:

Back

increase body temperature

Front

What type of feedback loop is shown? Options: negative, neutral, positive

Back

positive

Front

The two types of feedback systems that help organisms maintain homeostasis are:

Back

positive and negative