Which term refers to an individual with identical alleles of a particular gene?
a. Genotype
b. Heterozygous
c. Homozygous
d. Gene
e. Phenotype
c
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A beekeeper opens one of his hives. At first, only one bee gets under his suit and stings him. He is then swarmed by the rest of his bees, and ends up with several stings. Why did most of the hive attack him? Select all correct choices
A. Because the first bee produced alarm pheromones. B. Because the first bee produced trail pheromones. C. Because the first bee produced amine hormones. D. Because the first bee produced steroid hormones. E. Because the first bee produced paracrine signals.
Which of the following is NOT descriptive of any
fungus? a. saprophytic b. decomposer c. parasitic d. autotrophic e. heterotrophic
Since snakes, people, and fish all like to eat frogs, this is an example of a
A. food web. B. food chain. C. preference test. D. trophic level variation.
The theory of natural selection states that
A) random assortment of genes results in better physical characteristics in the following generations. B) individuals that mutate in response to changes in their environment will contribute the most genes to the next generation. C) only the largest and strongest individuals survive. D) all individuals live to reproduce in each generation. E) the most well-adapted individuals in their environments survive and reproduce, contributing the most genes to the next generation.