Ecosystem and energy transfere

What is a food chain?

• A type of exercise routine

• A method of food preservation

• A type of cooking utensil

• A series of organisms each dependent on the next as a source of food.

Name three abiotic factors in an ecosystem.

• Animals, bacteria, and fungi

• Rocks, soil, and plants

• Wind, fire, and pollution

• Sunlight, temperature, and water

What are biotic factors?

• Living components of an ecosystem

• Weather patterns in an ecosystem

• Chemical reactions in an ecosystem

• Non-living components of an ecosystem

What is ecological succession?

• The process of change in the species structure of an ecological community over time.

• The process of change in the political dynamics of an ecological community over time.

• The process of change in the weather patterns of an ecological community over time.

• The process of change in the geological structure of an ecological community over time.

What are producers in an ecosystem?

• Organisms that produce their own food through photosynthesis or chemosynthesis

• Organisms that do not play a role in the ecosystem

• Organisms that only eat other organisms

• Organisms that rely on other organisms for food

How does sunlight contribute to energy flow in an ecosystem?

• Sunlight is used by animals for respiration

• Sunlight is used by plants in photosynthesis to produce food, which then becomes the energy source for other organisms in the ecosystem.

• Sunlight is converted directly into energy by organisms

• Sunlight has no impact on energy flow in an ecosystem

Explain the concept of energy transfer in an ecosystem.

• Energy transfer in an ecosystem is the process of converting sunlight into heat

• Energy transfer in an ecosystem involves the movement of energy from one organism to another through the food chain.

• Energy transfer in an ecosystem involves the exchange of water between organisms

• Energy transfer in an ecosystem is driven by the movement of rocks from one place to another

In an energy pyramid, which level contains the most energy?

• Tertiary consumers

• Secondary consumers

• Primary consumers

• Producers

Tags

NGSS.MS-LS2-3

What is the correct order of trophic levels from bottom to top in a typical food chain?

• Producers, Secondary consumers, Primary consumers, Tertiary consumers

• Producers, Primary consumers, Secondary consumers, Tertiary consumers

• Tertiary consumers, Secondary consumers, Primary consumers, Producers

• Primary consumers, Producers, Secondary consumers, Tertiary consumers

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

• 1%

• 10%

• 25%

• 50%