Phenotypic similarity in organisms Blank______.Multiple choice question.usually indicates that they are closely related as a result of convergent evolutionusually indicates that they are unrelatedcan mean very little about their evolutionary relationshipalways indicates that they are closely related as a result of divergent evolution

You compare the genomes of two species and determine some very large differences. This would suggest that the two species Blank______.Multiple choice question.do not share a common ancestorare not very closely relatedare very closely related

Which of the following is the best definition of a species?A group of organisms with a range of genetic mutationsA group of organisms with similar characteristics that can interbreed to produce fertile offspringA group of organisms with identical genotypes and phenotypesA group of organisms with a range of different characteristics2Why are identical twins useful for studying variation? They have identical genotypesThey have identical phenotypesThey are brought up in the same environmentThey have the same parents3Which of the following are examples of genetic variation? Natural eye colourRegional accentWeightScars4What are mutations?Alleles that cause a genetic conditionPhysical characteristics caused by a genetic conditionVery rare changes in the DNARandom continuous changes in the DNA5Which of the following statements about mutations is not true?They can be caused by a mistake made during mitosisThey can lead to cancerThey can be caused by UV radiation from the sunThey are always detrimental

In biology, the term species generally refers to all organisms Blank______.Multiple choice question.that have similar appearances and behaviorsof a kind that live in an areasimilar enough to produce fertile offspring in nature

Where will you find more variation? A) between organisms of the same species, B) between organisms of different species

Organisms may be unable to breed because of physical characteristics, location, habitat, or even differing courtship behaviors; this is called Blank______.Multiple choice question.the evolutionary species conceptthe phylogenetic species conceptreproductive isolation