C...the key is that they are photosynthetic...so they produce oxygen (like plants)!
Classifying things by observation can best be done by using a : Taxon
Taxon divided organisms into different groups based on their unique similarities, which is the best way to classify things if you're doing it by observation.
Answer:
b)repair/replacement of damaged cells growth and development
Explanation:
Mitosis is a process of cell division that has many purposes. In individuals of sexual reproduction such as humans, mitosis is responsible for multiplying cells during the embryonic development; through this process the zygote (unicellular) is transformed into a multicellular organism. Additionally, mitosis allows the formation of new cells for tissue growth and to replace worn out cells.
The cell division that allows the gamete production for reproduction is a different process called meiosis.
Answer: the amount of silica minerals in granite
Explanation:
Usually, 70-77 percent silica, 11-13 percent alumina, 3-5 percent potassium oxide, 3-5 percent soda, 1 percent lime, 2-3 percent total iron, and less than 1 percent magnesia and titania are the chemical composition of granite. Rhyolite is another kind of volcanic rock with a similar or equivalent chemical composition and mineralogy. Due to high precense of silica the color of granite appears lighter.
