Why do scientists think that whales evolved from ancient mammals and not ancient fish

After watching the squirrels at the local park for several days, Sergei asks his science teacher the following question: "Do more squirrels live in maple trees or oak trees in the city park?" Is Sergei's question a scientific question?

Suppose that as the result of extensive pollution to the ocean, kelp forests are killed. Explain how this would affect not only kelp populations, but also many other forms of marine life

A population of black bears depends on salmon from a stream for food. If a drought causes the stream to run dry one year, how will this likely impact the black bear population? A. The population's size will increase. B.

What are the diffrence between symbiosis and symbiotes

A cell is in a solution with the simple sugar glucose. The concentration of glucose outside the cell is 30%, and the concentration of glucose inside the cell is 20%. Do the following for this cell: Identify the type of solution the cell is in.

Yellow bananas are called triploid organisms. Why do you think this is?

A method for eating out healthfully is to a method for eating out healthfully is to order any meat dish grilled or broiled and avoid fried or breaded meat dishes. eat out only when you are not especially hungry.

What conclusion would be mostappropriate about the genetic variation between humans and the three apes as illustrated by the phylogenetic tree

Is DNA allowed to leave the necleus of the cell?

What two things get thrown out of a cinder cone volcano