Which of the following is the best definition of a species?A group of organisms with identical genotypes and phenotypesA group of organisms with a range of genetic mutationsA group of organisms with a range of different characteristicsA group of organisms with similar characteristics that can interbreed to produce fertile offspring2Why are identical twins useful for studying variation? They have identical genotypesThey are brought up in the same environmentThey have identical phenotypesThey have the same parents3Which of the following are examples of genetic variation? Natural eye colourScarsWeightRegional accent4What are mutations?Random continuous changes in the DNAAlleles that cause a genetic conditionPhysical characteristics caused by a genetic conditionVery rare changes in the DNA5Which of the following statements about mutations is not true?They can be caused by a mistake made during mitosisThey can be caused by UV radiation from the sunThey can lead to cancerThey are always detrimental

Which choice best fits into the definition of "species" we accepted in this course? A. A group of organisms that normally interbreeds only within that group B. A group of organisms within which all individuals have identical DNA C. A group of organisms which are biologically unique

Select the correct answer.What is the correct definition of a species? A. a population of creatures who all look the same B. a population of creatures who are all the same size C. a population whose members are all the same color D. a population whose members are able to interbreed freely under natural conditions

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

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

Which of the following is the best definition of a species?Organisms that survive as they are better adapted to the environment.Organisms with many features in common.Organisms that reproduce together to form fertile offspring.Organisms that live in the same habitat and eat the same food.