Answer:
1 4 and 5
Explanation:
Mitosis- cell division in which a cell divides and produces identical copies of itself. The primary mechanism by which organisms generate new cells is through cell division.
Primary . an oocyte does meiosis 2 when fertilized
Mutations have an important role in how species change over time.
Answer:
The atmosphere is the blanket of gases which surrounds Earth. It is held near the surface of the planet by Earth's gravitational attraction.
Explanation:
Matter can be broken down into two categories: pure substances<span> and </span>mixtures.Pure substances<span> are further broken down into elements and compounds. ... A chemical </span>substance<span> is composed of one type of atom or molecule. A </span>mixture<span> is composed of different types of atoms or molecules that are not chemically bonded</span>
