Two lakes have the same number of species. Most of the fish in Lake 1 are of a single species, with a few individuals each for the remaining species. Lake 2, on the other hand, has about equal numbers of each species
Which lake has higher species diversity? A) Lake 1
B) Lake 2
C) They are equally diverse.
D) The number and relative abundance of species are not related to diversity.
B
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PCR produces
A. DNA fragments of all possible sizes. B. DNA fragments that are one nucleotide larger than the next fragment. C. DNA fragments of a particular size. D. DNA fragments of increasing size. E. DNA fragments that are one nucleotide larger than the next fragment AND DNA fragments of increasing size.
Dolphins have a beak whereas porpoises have a rounded blunt head
Indicate whether the statement is true or false
A ____ is best used to demonstrate the linkage of two genes
a. monohybrid cross b. dihybrid cross c. monohybrid test cross d. two-allele test cross e. two-point test cross
Which flower would you select as the one matching the plant from which he gathered the seeds?
A) The flower with eight parts B) Either the flower with five or the flower with eight parts could match the seeds. C) The flower with five parts D) The flower with six parts