Environmental Science Chapter 5 MC

From producer to secondary consumer, about what percentage of energy is lost?

99%

Which of the following is correct arranged from the lowest tropic level to he highest trophic level?

Grass, mouse, snake, eagle

Which of the following pairs of organisms probably belong to the same trophic level?

Humans and bears

Which of the following are most likely to be the pioneer organisms on an area of rock?

Lichens

which of the following statements about the nitrogen cycle is not true?

Plants generate nitrogen in their roots

Which of the following statements is not true about consumers?

They make their own food

The energy lost between trophic levels

is used in the course of normal living

Communities of bacteria have been found living thousands of feet underwater. Which of the following statements is a proper conclusion to draw about this bacteria.

They use an energy source other than sunlight

Excessive use of fertilizer that contains nitrogen and phosphorus

May cause algal blooms in waterways