Answer:
C
Explanation:
when there is limited food, then natural selection will occur
Afferent nerve fibers carry signals from the somatic receptors to the posterior horn of the spinal cord or to the brainstem. So i beleive it is 4 but not too sure. Hope this helped a bit (:
Ok this is going to make me work sadly with a time restraints that I have I will be unable to draws the first picture however the rest I can do. 2. vestigial structures are generally parts of an animal's body that is unnecessary and no longer used. specifically whales have vestigial pelvis bones and as you know they dont walk as for my body the appendix is also a good example it kinda just sits there waiting to become infected. 3. embryos from separate organisms in very early stages look VERY alike and can be incredibly difficult to tell them apart from one another. 4. Everyone's favorite dioxy ribonucleic acid or DNA can show ancestry they do this by being similar like my DNA isnt exactly the same as my mothers however there are more then enough similarities in our DNA to tell that we are related. This works for any and all animals as long as they have salvageable DNA so dinosaurs dont count. using DNA we can also tell that I'm more closely related to a dolphin than a shark and I'm more closely related to sharks than sponges. hope I answered what you were looking for thoroughly
T-cells are a type of white blood cell that circulate around our bodies, scanning for cellular abnormalities and infections.
Answer:
Option D, polysaccharides
Explanation:
Both Cellulose and starch are polysaccharides which are made up of several polymer units.
A polysaccharide is a sugar which is made up of large number of mono or disaccharide sugar units.
In case of Cellulose, the polymer unit is monosaccharide units of glucose connected by acetal beta linkages
While in case of starch, the polymer unit is again glucose units joined by glycosidic bonds.
Hence, option D
