An energy pyramid shows that about 90 percent of the energy represented in each trophic level is

A. passed on to the level above it.

B. used by decomposers.

C. lost to the environment as heat.

D. recycled by the ecosystem.

Consider four species of conifers. species a and b are sister species. species c and d are also sister species. the clade containing species a and b is a sister to the clade containing species c and d.

Which of the three major types of biomaterials would you use for the femoral stem?

What is the farthest that manned space exploration has reached

At which position will the bar magnets most likely experience the least magnetic potential energy between them a. 1 b. 2 c. 3 d. 4

A group of research scientists believe that their laboratory has gathered scientific evidence for a new cancer treatment drug. What is the primary purpose for reporting their findings in a peer-reviewed scientific journal?

How do matter and energy move differently through the biosphere

Which of the following statements about the cells of any multicellular organism is true? Almost all of the cells have the exact same DNA. The same genes are expressed in each cell. Each cell has completely different DNA.

A potassium-retaining diuretic is prescribed for a client with heart failure. which foods should the nurse instruct the client to avoid?

Which part of a plant is found in the center

How does irradiation effect tomatoes