Flashcardizz Semester Exam Review A. Raines

Front

What process is primarily responsible for the recycling of nutrients within ecosystems?

Back

Decomposition is the process that breaks down dead organic matter, recycling nutrients back into the ecosystem.

Front

Which body systems are involved in sending messages long distances by releasing hormones into the bloodstream?

Back

The endocrine system releases hormones, and the circulatory system carries them to target locations.

Front

What occupies the first trophic level in an energy pyramid?

Back

Producers occupy the first trophic level in an energy pyramid.

Front

Which organisms are considered producers in an energy pyramid?

Back

Phytoplankton are the producers in an aquatic energy pyramid.

Front

What role do bacteria play in an ecosystem?

Back

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

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to convert carbon dioxide and water into glucose and oxygen.

Front

What is cellular respiration?

Back

Cellular respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

Front

What is the significance of the sun in an energy pyramid?

Back

The sun is the primary energy source for all ecosystems, providing energy for producers.

Front

What are tertiary consumers?

Back

Tertiary consumers are organisms that eat secondary consumers and are at the top of the food chain.

Front

What is the role of producers in an ecosystem?

Back

Producers convert solar energy into chemical energy through photosynthesis, forming the base of the food chain.