Why don't bluetits and squirrels directly compete, even though they live in the same tree? a. The squirrels prey on the birds c. They occupy different niches b. The birds are predators d. They live at different times of the year

What is one function of the embedded proteins

Which statement describes how favorable traits in a population relate to natural selection? they are the only traits that ever exist in the population. they build in the population over time. they are rarely passed on to offspring. they are found only in a few individuals within the population.

Paleontologists have found plant fossils deep within the layers of the north polar region. these leaf fossils have been labeled as to the rock layers they were found in, with the lower numbers being layers close to the earth's surface and higher numbers representing deeper layers. according to the numbers of these four leaf fossils, what might you infer?