What is the main by-product of cellular respiration?
A) ATP
B) Sugars
C) Oxygen
D) Water
D
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If life evolved in hydrothermal vents, is it likely the first cells were in the Domain Archaea?
What will be an ideal response?
_____ is defined as a decrease in the response to an ongoing stimulus
a. Perception c. Sensory adaptation b. Visual accommodation d. Somatic sensation
Which of the following statements is true about the phylogenetic tree shown here?
A. The gibbon is more closely related to the rhesus monkey than to the chimpanzee. B. The galago is more closely related to the green monkey than to the capuchin. C. The green monkey and rhesus monkey share a common ancestor with the gibbon and chimpanzee. D. The gibbon does not share a common ancestor with the chimpanzee or human. E. The green monkey and rhesus monkey share a more recent common ancestor than do the chimpanzee and human.
When they were first sold, aerosol insecticides were highly effective in killing mosquitoes. Now, several decades later, a much smaller proportion of these insects die when sprayed. The reason fewer insects die when they are sprayed is that __________.
a. larger portions of the mosquito populations today are descendants of individuals that were insecticide-resistant b. mosquitoes that survive spraying develop an immunity to the insecticide c. mosquitoes develop a physiological tolerance during their lives to repeated, gradual exposure to insecticide d. the insecticide causes mutations in genes associated with insecticide resistance e. None of the listed responses are correct.