Which scenario best supports Lamarck's theory of transformation? A) The ancestor of flightless birds was capable of flight, but rarely flew. Over time, each generation was born with smaller wings and did not fly.

B) groups of snakes competed for the same resources. One evolved to hunt for food in rockly area, while the other hunted in the forest

C) Turtles with harder shells reproduced and their offspring inherited the trait

D) Comparisons of fossils in the rock record suggest that marine mammals may have evolved from land mammals.

In order to clone adult animals, scientists typically begin with a(n)

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent