It’s iterative ontogenetic and di - or polymorphic
False. They have an open <span>circulatory system</span>
Answer:
Cells are sometimes referred to as "life's atoms" because there the basic units of life. All cells are surrounded by a structure called the cell membrane — which, serves as a clear boundary between the cell's internal and external environments.
I would say d. Multi-part protein that reversibly binds to oxygen molecules (...)
