What mechanism did darwin propose to supply the changes needed for evolution

In one cubic meter of the ocean, photosynthetic plankton produce 80,000 calories of energy each year. how many calories of energy are available in the bodies of the creatures that eat that plankton?

Imagine that a researcher discovers two new similar species of bats in the same geographic area. Amazingly, one of these species preys upon insects during the day. The other species, as one would expect, is nocturnal and only feeds during the night.

During what process do two protists exchange genetic material? a. cell division b. meiosis c. conjugation d. mitosis

Explain why the underproduction of albumin by a cirrhotic liver contributes to excessive filtration, which leads to ascites. Refer again to the forces that determine net filtration pressure in the hepatic capillaries, and to the function of albumins

What Occurs through the isolation of an organism in a new environment?

The human activities in two locations are described below: Location A: Rampant use of plastic containers Location B: Excessive use of pesticides and fertilizers Which statement is most likely true? A.

According to the central dogma, which of the following represents the flow of genetic information in cells? protein to DNA to RNA DNA to RNA to protein RNA to DNA to protein DNA to protein to RNA

Which of these are physical changes in matter

Fundamental differences in the cell, the basic unit of life, allow for the broadest classification of all living organisms into three domains: Bacteria, Archaea, and Eukarya.

What is the difference between discharge zone and recharged zone