Answer:
The egg contains both food and mitochondria in addition to its vital DNA, thats why it is much larger. The sperm cell has to be much smaller than the egg cell, because it is the one that swims. If a sperm cell were as big as an egg, it would not be able to move very fast nor very far.
This is obvious but the correct answer is B. Earth
HOPE I HELPED
Hello <span>johnsoncourtney3,</span><span> Tylenol and other medications containing acetaminophen can
be potentially damaging to the liver, especially when taken in
combination with alcohol, few know that a “relatively small overdose can kill you."</span>
<u>Answer:</u>
Fossils are the sources to learn the changes on the earth and how much it changed in these years. Its provides us with information about the existence of plant and animals in the past.
Actually, the fossils we found till the date are the ancestors of the plants and animals that live today. Moreover, some fossils of animals are easily identifiable since they exist till the date.
But there are fossils of animals that exist no longer in the earth. By studying and analyzing the fossils, one can tell how life on the earth has changed.
Also, we can learn about the ancestors of the plants and animals and how their long life existed on earth.
In other words, one can learn where and how those organisms were lived. So that we can know about our ancient environments.
The cranial nerve that carries visual impulses from the retina to the brain is the: optic nerve.