3.5 Flashcardizz Semester Exam Review

Front

What is the role of bacteria in an ecosystem?

Back

Bacteria break down dead organic matter and recycle nutrients, similar to fungi.

Front

Which body systems are involved in hormone messaging?

Back

The circulatory system and the endocrine system are involved in sending hormones through the bloodstream.

Front

Why does energy decrease at each trophic level in an energy pyramid?

Back

Organisms at each trophic level use some energy for life processes, and some energy is lost as heat.

Front

What is the correct order of organization from least to most complex in the muscular system?

Back

Muscle cell -> muscle tissue -> biceps muscle -> muscular system.

Front

Why do tertiary consumers have less available energy than primary consumers?

Back

Energy is lost as heat at each trophic level.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

Front

Define a food chain.

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients.

Front

What is the difference between primary and secondary consumers?

Back

Primary consumers eat producers (plants), while secondary consumers eat primary consumers.

Front

What is the function of the circulatory system?

Back

The circulatory system transports blood, nutrients, gases, and hormones throughout the body.