The emergence of hundreds of Hawaiian honeycreeper species from a single flock introduced to this island
archipelago millions of years ago is an example of ____.
a. behavioral isolation
b. morphological convergence
c. cladistics
d. adaptive radiation
e. sympatric speciation
ANSWER: d
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The process where DNA is duplicated and then the cell divides into two cells is called:
a. mitosis. b. meiosis. c. binary fusion. d. auxospore. e. fusion.
Besides edible and poisonous mushrooms, describe two fungi that are beneficial to humans and two fungi that are harmful to humans
What will be an ideal response?
Organisms such as oysters or fish that produce millions of eggs per year may be characterized as:
a. r-selected and having a type I survivorship curve. b. K-selected and having a type I survivorship curve. c. r-selected and having a type II survivorship curve. d. K-selected and having a type II survivorship curve. e. r-selected and having a type III survivorship curve.
The significance of totipotency is that:a
genes are not regularly lost during development. b. most organisms can be easily cloned. c. differentiation leads to the loss of certain genes in each cell. d. somatic cells are incapable of differentiation. e. unexpressed genes are lost during development.