Is a special case of explosive speciation in which new species form rapidly in response to numerous "open" ecological niches. peripatric speciation adaptive radiation allopatric speciation co-speciation sympatric speciation

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt

Which group of protists would be most likely to have cilia as adults and why? (1 point)the sporozoan protists would since they have to spread their spores around.the heterotrophic protists would since they use them to gather food.the parasitic protists would since they need to find other organisms to attack.the autotrophic protists would since they must move to find light.

Many birth-control pills release a constant amount of synthetic estradiols and progesterone for 21 days. true or false