What is the most likely cause of a sampling error?
a. a malfunctioning calculator
b. a poorly designed hypothesis
c. very few individuals in the control group
d. having both an experimental and a control group
e. the researcher’s knowledge of which individuals were in the experimental group
c
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The form of natural selection that promotes behaviors that help close relatives is called ____
Fill in the blank with the appropriate word.
During the Calvin-Benson cycle (carbon-fixing reactions), in the red Columbine plant, high-energy electrons are transferred into a newly made 3-carbon compound. Eventually these electrons will end up as part of glucose molecules. What was the original source of these electrons in photosynthesis?
a. glucose b. ATP c. oxygen d. water e. carbon dioxide
Karyotyping is useful for determining:a
the number of chromosomes in an individual. b. if recessive traits are present. c. if a specific gene is missing from a chromosome. d. if gene mutations have occurred. e. the presence of sickle cell anemi
What type of trait includes the tailbone found in humans and other primates without tails?
What will be an ideal response?