Describe how the birds are similar and how they are different. how might their differences enable them to occupy different niches?
a) osprey and great horned owl
b) woodpecker and purple martin
c) great blue heron and common snipe.
no, this is not multiple choice

Identify the advantages and disadvantages or renewable and nonrenewable energy resources

Examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. polyploidy is creating new species. the two populations are not interbreeding freely. hybrid offspring of the two populations begin to appear. one species will increase into a population size twice as large as the other species.

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems