Which of the following could be a vicariance event for species in that habitat?
A) The level of water in a lake recedes, creating two lakes where there used to be one.
B) Some insects get blown in a storm to a new mountain range, where they lay eggs.
C) Radiation near Chernobyl increases mutation rates, causing an increase in autopolyploidy.
D) Global warming allows populations of mosquitoes to survive at higher elevations.
Answer: A
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In a hydrangea plant, the color blue (B) is dominant to the color white (b). What is the probability that offspring will be blue?
a. 75% b. 50% c. 25% d. 100%
In an oxidation/ reduction reaction, the molecule being oxidized _____ an electron, while the molecule being reduced ______ one
Fill in the blank(s) with the appropriate word(s).
More than half of the mortality from the top 5 leading causes of death in the world come from:
A. factors within our control B. mythical health crisis C. cardiovascular disease D. smoking and obesity
Nonvascular plants
A. lack roots, stems, and leaves. B. are tall plants. C. produce pollen. D. None of the above is correct.