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CFU for 6.LS2.3 Food Chains, Food Webs, and Energy Pyramids 2023-24

Last updated almost 2 years ago

15 questions

1

If the producers have 4500 kcal of energy, how much energy will the secondary consumer receive?

1

Which food chain correctly shows the flow of energy through an ecosystem?

1

The image shows an aquatic food web.

The Nashville crayfish is found in a specific region of Tennessee. Due to water pollution and other factors, the species was at risk for extinction. However, improvements to maintain a healthy ecosystem have helped the Nashville crayfish population expand.

From which sources do the Nashville crayfish gain energy? Select ALL that apply.

1

Which organism is an herbivore in the food web?

1

Which of the following correctly shows one pathway for the flow of energy to an owl?

1

Use the food web below to answer the following question.

Based on the food web shown, you would hypothesize that the green plants, unlike the animals, can

1

Based on the food web, how would the owls most likely respond if all of the mice died out?

1

According to the food web, in which trophic level of the energy pyramid does the anchovy belong?

1

Based on the food web, if the zooplankton all died out, which organism would most directly be impacted?

1

Why would an energy pyramid like the one above would not work long-term?

1

Which of these best identifies biotic factors in a forest environment?

1

An example of a biotic factor in a lake ecosystem would be...

1

An example of a biotic factor in a forest ecosystem would be...

1

Which statement describes only biotic factors in a forest ecosystem?

1

Which of the following shows the relationship between a biotic and an abiotic factor?