Energy in ecosystems test questions

1

Which of the following statements about energy transfer in a food chain is correct?

2

What do you call a diagram that shows the population sizes of organisms at each level of a food chain?

3

Three pyramids of numbers are shown.

Three different pyramids of numbers. A has three levels, the middle level is widest, the top level the narrowest.  B has four levels, widest at bottom, narrowest at top.   C has three levels. It's widest at the bottom and narrowest in the middle.

Which pyramid is most likely to have a tree as the producer?

4

Three pyramids of numbers are shown.

Three different pyramids of numbers. A has three levels, the middle level is widest, the top level the narrowest.  B has four levels, widest at bottom, narrowest at top.   C has three levels. It's widest at the bottom and narrowest in the middle.

Which pyramid shows that a parasite is part of the food chain?

5

In a food chain, the majority of energy is lost as: