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Which of the following best explains how natural selection occurs?
Genus
Arthropods of the same species
the frequency of the genes in the population
more recently they shared a common ancestor
individuals with favorable variations survive and reproduce
how closely related the two species are to each other
an ant that is resistant to pesticide
individuals with adaptive traits are likely to survive and pass their traits on to their of their offspring
The Linnaean taxonomic system classifies organisms into divisions called taxa. If two organisms belong to the same taxonomic group, they are related. Similarity at which of these levels indicates the closest relationship?
Genus
Arthropods of the same species
the frequency of the genes in the population
more recently they shared a common ancestor
individuals with favorable variations survive and reproduce
how closely related the two species are to each other
an ant that is resistant to pesticide
individuals with adaptive traits are likely to survive and pass their traits on to their of their offspring
The more closely related two different organisms are, the
Genus
Arthropods of the same species
the frequency of the genes in the population
more recently they shared a common ancestor
individuals with favorable variations survive and reproduce
how closely related the two species are to each other
an ant that is resistant to pesticide
individuals with adaptive traits are likely to survive and pass their traits on to their of their offspring
Genetic variation can aid in the survival of species when the environment changes. Which of the following is the best example of an organism with a genetic variation that could improve survival chances over time?
Genus
Arthropods of the same species
the frequency of the genes in the population
more recently they shared a common ancestor
individuals with favorable variations survive and reproduce
how closely related the two species are to each other
an ant that is resistant to pesticide
individuals with adaptive traits are likely to survive and pass their traits on to their of their offspring
Arthropods are joint-legged animals. Spiders, crabs, pill bugs, centipedes, and millipedes are examples of the many types of arthropods. Which of these arthropods are most closely related?
Genus
Arthropods of the same species
the frequency of the genes in the population
more recently they shared a common ancestor
individuals with favorable variations survive and reproduce
how closely related the two species are to each other
an ant that is resistant to pesticide
individuals with adaptive traits are likely to survive and pass their traits on to their of their offspring
A large population of cockroaches was sprayed with an insecticide. A few of the cockroaches survived and produced a population of cockroaches that was resistant to this spray. What can best be inferred from this example?
Genus
Arthropods of the same species
the frequency of the genes in the population
more recently they shared a common ancestor
individuals with favorable variations survive and reproduce
how closely related the two species are to each other
an ant that is resistant to pesticide
individuals with adaptive traits are likely to survive and pass their traits on to their of their offspring
Genome maps provide the DNA sequences of chromosomes. Some scientists have compared the genome maps of a hedgehog and a sloth. What do these genome maps allow the scientists to determine?
Genus
Arthropods of the same species
the frequency of the genes in the population
more recently they shared a common ancestor
individuals with favorable variations survive and reproduce
how closely related the two species are to each other
an ant that is resistant to pesticide
individuals with adaptive traits are likely to survive and pass their traits on to their of their offspring
Some organisms have genes that improve their ability to survive and reproduce. If the genes also help their offspring survive and reproduce, then which of the following will most likely increase?
Genus
Arthropods of the same species
the frequency of the genes in the population
more recently they shared a common ancestor
individuals with favorable variations survive and reproduce
how closely related the two species are to each other
an ant that is resistant to pesticide
individuals with adaptive traits are likely to survive and pass their traits on to their of their offspring
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