Questions and Answers | A+ Score
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What was Darwin's mystery of mysteries? - 🧠ANSWER ✔✔the first
appearance of new beings on earth
define speciation: - 🧠ANSWER ✔✔the process by which one species splits
into two or more species
microevolution: - 🧠ANSWER ✔✔changes over time in allele frequencies in
a population
macroevolution: - 🧠ANSWER ✔✔the broad pattern of evolution over long
periods of time
, use the biological species concept to define species: - 🧠ANSWER ✔✔a
group of populations whose members have the potential to interbreed in
nature and produce viable, fertile offspring
what is required for the formation of new species? - 🧠ANSWER
✔✔reproductive isolation: the existence of biological barriers that impede
members of two species from producing viable, fertile offspring
what are hybrids - 🧠ANSWER ✔✔offspring that result from interspecific
mating
explain te two types of barriers that maintain reproductive isolation: -
🧠ANSWER ✔✔prezygotic barriers block fertilization from occurring by
impeding members of different species from attempting to mate, by
preventing attempted mating or by hindering fertilization. postzygotic
barriers cause miscarriage or infertility/early death in offspring.
explain habitat isolation and give an example: - 🧠ANSWER ✔✔two species
that occupy different habitats within the same area encounter each other
rarely. ex: two species of garter snakes in same area, one on land & other
in water.