For a cell to maintain the appropriate balance of materials inside and outside of the cell, materials must be able to move in and out of the cell. the degree in which materials are able to flow freely through a cell's membrane is known as

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? the wings are analogous structures that evolved differently and do not have a similar internal structure. the wings are homologous structures that evolved differently and do not have a similar internal structure. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. wings of bats are vestigial structures, but the wing structures of birds are not vestigial.

Animals such as pronghorn antelope, bison ans badgers dot to the landscape. where are these animals located?

Sexual reproduction in the parent cell will result in offspring with a) identical genetic information. b) half the genetic information. c) double the genetic information. d) four times the genetic information.