29) The type of reproductive barrier that occurs when two species mate but produ

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29) The type of reproductive barrier that occurs when two species mate but produce sterile hybrids is 29) referred to as?? B) a prezygotic barrier D) temporal isolation C) a postzygotic barrier 30) Which is NOT a benefit of the understanding of evolution to understanding the field of biology? 30 anding evolution helps us to understand why stars and galaxies change over time. Understanding evolution helps advance biotechnology and medicine C) Understanding evolution helps us to understand molecules. D) Understanding evolution helps us to analyze ecosystems. 31) Which one of the following will prevent significant genetic drift? 31) A) There is genetic variation. C) There is mutation. The population size is large. 32) Prokaryotes reproduce by means of A) mitosis C) meiosis D) budding 33) The founder effect differs from a population bottleneck in that the founder effect 33) involves the isolation of a small colony of individuals from a larger population B) is a type of natural selection C) requires a small population D) can occur only on an oceanic island colony 34) What type of reproductive isolating mechanism is described by a situation in which female fireflies 34) mate only with males who emit light in a particular pattern? A) temporal isolation C) habitat isolation D) mechani isolation 35) The total collection of alleles in a population at any one time makes up that population's35) Al heterozygote frequency B) genotype D) allele frequency 36) Which of the following is NOT a requirement of natural selection? 36) A) gene flow C) overproduction of offspring B) genetic variation D) differential reproductive success 37) Which of the following bacteria obtains nutrients by predation? First swimming at a high 37) rate of speed, slamming into its prey, drilling a hole, entering the cell, then reproducing in the B) Staphylococcus ) Bdellovibrio 38) Under the biological species concept, what criterion is used to assign populations of organisms to 38) periplasmic space until the cell lyses and dies. A) E. coli the same biological species? A) responding to the environment in the same way B) a very similar appearance having 99% of their genes in common able to interbreed and produce fertile offspring

Explanation / Answer

The type of reproductive barrier that occurs when two species mate but produce sterile hybrids is referred in as a a postzygotic barrier

which is not a benefit of the understanding of evolution to understandin the field of biology?
Understanding evolution helps us to understand why stars and galaxies change over time.

Which one of the following will prevent significant genetic drift? the populaton size is large.

Prokaryotes reproduce by means of Binary fussion

The founder effect differs from a population bottleneck in that the founder effect Involves the isolation of a small colony of individuals from a larger population

which of the following bacteria obtains nutrients by predation? first swimming at a high rate of speed, slamming into its prey, drilling a hole, entering the cell, then reproducing in the periplasmic space until the cell lyses and dies Bdellovibrio

Under the biological species concept, what criterion is used to assign populations of organisms to the same biological species? being able to interbreed and produce fertile offspring

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