Why do the Galápagos Islands and the Hawaiian Islands have so many endemic species of flies and birds? Check all that apply.  

_____  There are numerous islands in each archipelago.
_____  There is adequate distance between islands to allow divergence.
_____  The founder effect was common when islands were colonized.
_____  Each bird or fly species has many common ancestors.


__X__  There are numerous islands in each archipelago.
__X__  There is adequate distance between islands to allow divergence.
__X__  The founder effect was common when islands were colonized.
_____  Each bird or fly species has many common ancestors.

Biology & Microbiology

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The ____________-type asteroids are generally found in the outer portion of the asteroid belt and are very dark

Fill in the blank(s) with correct word

Biology & Microbiology

The neurotransmitter receptor research of Jean-Luc Eiselé and his coworkers shows that

a. neurotransmitters are dependent on the activity of Na+. b. neurotransmitters are dependent on the activity of K+. c. neurotransmitters are dependent on the activity of Cl?. d. a receptor binding to neurotransmitters functions independently from conducting ions. e. neurotransmitters are dependent on the activity of Ca+.

Biology & Microbiology

Which of the following is true of

deuterostomes? a. The first opening into the embryo becomes the anus. b. The first opening into the embryo becomes the mouth. c. The second opening into the embryo becomes the anus. d. The second opening into the embryo becomes the mouth. e. The first opening into the embryo becomes the anus and the second opening into the embryo becomes the mouth

Biology & Microbiology

The U.S. has stayed ahead of the issues surrounding genetic technology by implementing ground-breaking public

policy and laws. a. True b. False

Biology & Microbiology