Scientists think that dolphins and whales may have evolved from a common ancestor. What evidence supports this hypothesis?
A) They swim the same way.
B) They have similar anatomies.
C) They live in the same area of the ocean.
D) They eat food the same way.

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u. s. and mexico. the st. lawrence seaway provides an important trading route for the u. s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit