Describe how inductive and deductive reasoning can be used in marine biology, using J.H. Connell's experiment with intertidal barnacles as an example
What will be an ideal response?
When J. H. Connell observed that two types of barnacles were in groups forming definite zones, he used induction to hypothesize that biological interactions between species caused the distribution patterns. He then deduced that two species of barnacles were restricted to their particular zones by biological interactions if removal of one species led to the expansion of the other into the newly-vacated zone.
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In the common daisy, genes A and B control flower color. Both genes have a dominant allele (A or B) and a recessive allele (a or b). At least one copy of each dominant allele is required for flowers to be colorful instead of white. Predict the phenotypic ratio of the F2 progeny of a cross between two white-flowered plants, one homozygous for A and the other homozygous for B.
A) 3 colorful : 1 white B) 9 colorful : 7 white C) 9 white : 7 colorful D) 15 white : 1 colorful E) 15 colorful : 1 white
Which of the following does not produce ionizing radiation?
A. X-rays B. nuclear fuel C. radon gas D. ultraviolet radiation E. none of these are ionizing radiation
Tightly curled hair is caused by a dominant autosomal gene in humans. If a heterozygous curly-haired person marries a person with straight hair, what phenotypes (and in what proportions) are expected in the offspring?
What will be an ideal response?
"Rapture of the deep" is characterized by ____.
A. increased O2 in the blood B. altitude sickness C. excess CO2 in the blood D. excess CO in the blood E. euphoria