Photosynthesis and Energy Flow in Ecosystems

NeatStrait avatar

Start Quiz

Study Flashcards

18 Questions

What percentage of the energy having Photosynthetically Active Radiation is typically used by plants for the process of photosynthesis?

2-10 percent

In what form is the energy stored in various organic products in plants during photosynthesis?

Chemical energy

What happens to the energy when it is converted into heat during the process of energy flow in the ecosystem?

Energy is lost from the ecosystem

Which consumers receive energy directly from the primary producers in a food chain?

Primary consumers

What law states that only about 10 percent of the energy is transferred to each trophic level in a food chain?

10 Percent Law

Which organelle in plants is responsible for absorbing sunlight for the process of photosynthesis?


What is the main source of energy required by all living organisms in an ecosystem?

Chemical energy of food

Which law of thermodynamics states that energy can neither be created nor destroyed, only changed from one form to another?

Second law of thermodynamics

What is the term used to describe the radiation from the sun that can be used by plants for photosynthesis?

Effective radiation

What happens to most of the sun's radiation that falls on Earth?

It is reflected back into space by the atmosphere

What term is used to describe each level within a food chain?

Trophic level

Which law of thermodynamics states that as energy is transferred, more and more of it is wasted?

Second law of thermodynamics

What percentage of energy is typically transferred from one trophic level to the next?


Which trophic level represents the primary consumers in an ecosystem?


What is the ultimate source of energy on Earth?


What process do plants utilize to convert light energy into chemical energy?


What are the scavengers responsible for in the food chain?

Breaking down dead matter

What do reducers do after absorbing constituents from dead matter in the food chain?

Release molecules back to the environment

Explore the process of photosynthesis and energy flow in ecosystems. Learn about the role of plants as producers and how energy is transferred through food chains and food webs.

Make Your Own Quizzes and Flashcards

Convert your notes into interactive study material.

Get started for free

More Quizzes Like This

Producers and the Food Chain
5 questions
Ecosystem Energy Flow
3 questions

Ecosystem Energy Flow

AdjustableCombinatorics avatar
Ecosystem Energy Flow
26 questions
Use Quizgecko on...