It's (B) A catastrophic event where 90 percent of the ocean's species were lost and 70 percent of the land life was thought to go extinct.
Answer:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
Explanation:
Answer: The correct answer is peripheral
Explanation:
The Peripheral nervous system consists of the following:
- sensory neurons, which leads all parts of the body to the central nervous system
- motor neurons that runs the central nervous system to all parts of the body.
Thus, Peripheral nervous system is the answer
The nucleus will have the greatest mass. Among the 3 kinds of subatomic particles, electrons are the lightest (by several orders of magnitude), protons and neutrons are much closer is magnitude, though neutrons are slightly heavier. However, in the diagram, the nucleus contains both the neutrons and the protons, so its combined mass would be heavier than either the neutrons alone or the protons alone.
Answer:
I think its the nucliolus
Explanation:
