Answer:
Cells divide so living things can grow. When organisms grow, it isn't because cells are getting larger. Organisms grow because cells are dividing to produce more and more cells.
Answer:
So they are lighter and move quicker.
Explanation:
With the small wings and bodies birds have it would be hard for them to escape predators and lift their own weights if their bones were dense like humans' bones. The hollow part of the birds' bone is connected to their lungs so they have enough oxygen to fly easily. Hope this can help you! :)
Canopy layer my friends :D
<span>It's the third option.</span>
Answer:
Explanation:
Based on the scenario being described within the question it can be said that the components of Jenna's pedigree will be a line connecting her mother and father, a colored circle representing Jenna, and two empty circles representing her sisters. Thus representing that the line connects the parents and the three circles are the children of that couple. And the colored in circle represents the child with colored hair.