Biology, 02.01.2020 05:31 chevalieriiim006
Two scientists in british columbia are counting trout spawning grounds (called redds) along 5 km of a stream. the presence of
milky-colored fish spawn indicates a redd. the scientists walk together, surveying the same areas. what is the most likely reason
for them to count different numbers of redds?
Answers: 3
Biology, 22.06.2019 10:30
Natural selection changes allele frequencies because some survive and reproduce more successfully than others.
Answers: 1
Biology, 22.06.2019 10:40
Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.
Answers: 2
Two scientists in british columbia are counting trout spawning grounds (called redds) along 5 km of...
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