Compare and contrast allopatric and sympatric speciation. What will be an ideal response?
Allopatric speciation occurs when there is a geographic separation between organisms. Sympatric
speciation occurs when organisms live in the same geographical area.
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Which of the following characteristics apply to fungi?
a. heterotroph only b. heterotroph, producer c. heterotroph, multicellular, cell wall d. heterotroph, producer, multicellular, cell wall
Four of the five answers below do not influence radioactive decay. Select the exception
a. temperature b. time c. pressure d. moisture e. chemical bonding state
BRCA1 and BRCA2
a. are called cancer genes. b. code for tumor suppressing proteins. c. are involved in DNA repair mechanisms. d. in their mutated forms often occur in cancerous breast cells. e. are all of these.
The anti-angiogenic drug Avastin works by binding to and inhibiting the activity of
A) EGF. B) VEGF. C) estrogen. D) IL-2. E) Ras.