Yes, crossing over does not occur during mitosis. As mitosis is simply the duplication of cells, there is no gene variation that comes from crossing-over.
Smooth muscle, also called involuntary muscle, muscle that shows no cross stripes under microscopic magnification. It consists of narrow spindle-shaped cells with a single, centrally located nucleus. Smooth muscle tissue, unlike striated muscle, contracts slowly and automatically.
I'm not completely sure about this answer because our unit on that was very short. So please don't be upset if its incorrect.
The answer is phytoplankton and water depth, because in order for any ecosystem to survive they need the producer population (Plants)
Middle School
Basic Rank
Yes because <span>A </span>habitable zone<span> (HZ) in astronomy is a region of space where conditions are best for life to form as on Earth. Planets in these areas are the most likely to have extraterrestrial life. The </span>habitable zone<span> may also be called the "life zone", "comfort zone", "green belt" or "Goldilocks zone".</span>