The scientific name for the golden crayfish is Orconectes luteus. Based on this information, the crayfish is a member of what genus?
A. Orconectes luteus.
B. Orconectes.
C. luteus.
D. O. luteus.
E. Orconectes l.
B. Orconectes.
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When all the precipitation in a small valley feeds a particular stream, the valley is referred to as ____
a. a basin b. a waterway c. an ecosystem d. an aquifer e. a watershed
If you cross two pea plants, one with green peas and the other with yellow peas, you find all of the offspring have yellow peas. You conclude Select one:
a. yellow is incompletely dominant over green. b. yellow is dominant over green. c. green is dominant over yellow. d. yellow and green are co-dominant. e. color is random in pea plants.
Which of the following is generally true of aneuploidies in newborns?
A) A monosomy is more frequent than a trisomy. B) Monosomy X is the only viable monosomy known to occur in humans. C) Human aneuploidy usually conveys an adaptive advantage in humans. D) An aneuploidy resulting in the deletion of a chromosome segment is less serious than a duplication.
Describe how the mitochondrion evolved as an organelle, using the endosymbiont hypothesis
What will be an ideal response?