For a certain breed of cat, short tails are dominant (T) and long tails are recessive (t). The Punnett square below shows a cross between two parents.
What is the phenotype ratio for this cross?
T
Tt
Tt
t
tt
A. 3 long, 1 short
B. 4 long, 0 short
C. O long, 4 short
D. 2 long, 2 short

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

What occurs to the cell during mitosis

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