On the third one for Homozygous recessive it means that both would be the little r and there are not any that are homozygous recessive in that one. Also the ratio ones are unanswered but I assume you know that and I'm not simply going to give the answers however if you give them an attempt I will let you know if you got it right or wrong
Answer:
The respiratory system brings oxygen unto the lungs, while the circulatory system delivers oxygen throughout the body.
Explanation:
Hi there!
The best possible scenario for the giraffes with longer necks to survive would be one in which all the lower leaves somehow disappear! This would mean only giraffes with longer necks can eat therefore those will have a better chance of surviving. Luckily the answer that fits that perfectly would be...
D. Monkeys swarm in and tear off all of the lower leaves to use for shelters.
Oxygen, Carbon dixoide and nonpolar .
