Answer:
1. Egg fertilized to form a zygote
2. Cell division in the zygote to form a morula
3. Cell division to form a blastocyst
4. Differentiation of cells in the blastocyst
5. Development of tissues
6. Development of organs
Explanation:
I am thinking the rock that forms from lava that cools quickly is D) Obsidian.
Answer:
last answer. Breaks down sugar before respiration can begin. Glycolysis breaks down glucose. glucose=sugar