Answer:
deoxyribonucleic acid and ribonucleic acid
It is better for the whales to go where the whales have the ability to dive longer and deeper to find cooler water.
The example that shows an organism maintaining homeostasis is b. a person sweating on a hot day. Homeostasis is an organism's ability to maintain a stable internal environment irrespective of the external environment. When a person's body overheats, the body releases water as perspiration or sweat to cool itself down. Another example is when a person gets cold, the hair on his arms and legs, stand up straight - to trap air circulating round his body, and heat it up.
Answer:
Provides cell structure.
Explanation:
The proteins which have amino acids within them provide cell structure.
Answer:
Paleontologists didn't have the technology in that time to get a good estimation on the events. Back then, they had to rely on natural sources "markers" that made the estimations. Those estimations weren't accurate. Today's measures are accurate.
