Units 1, 2, and 4 1st Semester Final Exam Review

Front

What group do plants belong to based on their ability to make their own food?

Back

Producers (autotroph)

Front

What substance must animal cells take in from the environment to maintain homeostasis?

Back

Oxygen

Front

What is the main function of the bones of the skull?

Back

They protect tissues and organs.

Front

What is the primary function of the digestive system?

Back

To mechanically and chemically break down large molecules so they can be absorbed.

Front

Which statement is NOT true about the immune system?

Back

It does not work with other systems.

Front

What is photosynthesis?

Back

The process by which plants convert light energy into chemical energy (food) using carbon dioxide and water.

Front

Define homeostasis.

Back

The ability of an organism to maintain a stable internal environment despite changes in external conditions.

Front

What are the main components of the human skeletal system?

Back

Bones, cartilage, ligaments, and joints.

Front

What role do producers play in an ecosystem?

Back

They create energy through photosynthesis, forming the base of the food chain.

Front

What is the function of red blood cells?

Back

To transport oxygen from the lungs to the body's tissues and return carbon dioxide to the lungs.