Scientific inquiry in biology is linked in a concept map with two sets of understanding researchers might pursue in experiments. Which of these is a good example of why concepts are linked between what is studied and how it might be studied?
A. Environmental changes over recent decades have led to studies of whether specific plants and animals can adapt to the changes.
B. A research physician hypothesizes that a new skin therapy will result in healthier skin tissues for healing.
C. The influenza virus is spreading rapidly throughout the population and is not being controlled by the current flu medication.
D. All of the answer choices are correct.
E. A newly identified bacterium in African soils is found to promote plant growth that a researcher will study in crop production.
D. All of the answer choices are correct.
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Which of the following is NOT characteristic of
sensation? a. Some sensory receptors are activated only by chemicals. b. Nerve impulses mediating each of the senses are essentially the same. c. Sensory neuron activity follows the all-or-none law. d. All organisms use the same sense organs to perceive their environments. e. All sensory receptors transduce stimulus energy into action potentials.
Simberloff and Wilson carried out a famous experiment to study the recolonization by arthropods of small mangrove by islands after the islands were fumigated. One of their findings was
A. Species turnover was high following recolonization. B. Recolonization rates were identical on all of the islands regardless of distance to the mainland. C. Arthropod species richness on the islands changed little following recolonization. D. The islands never recovered to their prefumigation levels of arthropod species richness.
What is occurring at Time C that is decreasing the DNA content?
A) crossing over B) cytokinesis C) degradation of DNA that was not retained in the recipient's chromosome D) reversal of the direction of conjugation
Which of the following is not an alternate name for Eucharist?
A. Communion B. Penance C. Mass D. Lord's Supper