Answer:
Walls are thin.
Inner surface is moist.
Tissues are filled with blood vessels.
Exposed to air
Explanation:
Answer:
b. can be highly variable depending on season and rainfall.
Explanation:
your anwer is c) The two types of wings share a common function (and therefore are both called ... the bird wing and insect wing did not arise from an original ancestral structure ... When the gill slits became supported by cartilaginous elements, the first set of
Light-colored coats were selected for on light colored sand
When the temp becomes too high,the proteins in the enzymes begin to denature and they lose their shape
