Microtubules provide a rigid structure, or cytoskeleton
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.
Methanogens can be found in B.human intestines
Roots of plants and synthetic fertilizers can contain oxygen or come into contact with oxygen.
Answer: D. Regulate the thalamus
Explanation:
-it’s an area around the pacific ocean with a lot of volcanic activity. ( or you can say )- two thirds of active volcanoes are found in an area around the edges of the pacific ocean, these volcanoes form a ring that volcanologists called ring of fire.
hope this helped..!
