Which type of speciation can occur when a population encompasses a vast territory that includes a variety of habitats?
a. Sympatric
b. Stabilizing selection
c. Gene flow
d. Parapatric speciation
e. Allopatric
d
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Carbon can form ________ covalent bonds
A) single B) double C) triple D) single and double E) single, double, and triple
In cocker spaniels, black coat color (B) is dominant over red (b), and solid color (S) is dominant over
spotted (s). A cross of Bb Ss with bb ss would produce the phenotypic ratio a. 9:3:3:1. b. 1:1:1:1. c. 1:2:1. d. 3:1. e. 2:2.
Compounds with carbonyl groups are known as
A. aldehydes or ketones B. ketones or hydrocarbons C. aldehydes or hydrocarbons D. alcohols or hydrocarbons
What are genetically engineered plants or animals that contain a gene from another organism called?
a. trans-cloned organisms b. transformed organisms c. transgenic organisms d. none of the above