BIOLOGY Quiz 3 of the second semester

What is the primary source of energy for producers in an ecosystem?

The sun.

What are producers also known as?

Autotrophs.

What do consumers obtain their energy from?

Living or once-living organisms.

What process do plants and cyanobacteria use to capture energy?

Photosynthesis.

What is chemosynthesis?

A process where energy is obtained from chemicals like sulfur and methane.

What is the role of herbivores in an ecosystem?

Herbivores eat only vegetation.

What is the Rule of 10 in energy transfer?

Only 10 percent of the energy from one trophic level is passed to the next level.

What do food webs illustrate?

Multiple food chains and their interconnections within an ecosystem.

What do trophic pyramids represent?

How energy flows through an ecosystem across different trophic levels.

What type of pyramid represents the total mass of living organic matter at each trophic level?

Biomass Pyramid.