1. BIO
... of tissue that surround the cavity connect the dorsally and ventrall to form mesenteries, which suspend the internal organs. An acoclomate is a lower invertebrate animal. It does not develop a body cavity. A protostome is a member of one or two distinct evolutionary lines of coeleomates, consisting of annelids, mollusks, and arthropods, and characterized by spiral, determinate cleavage, schizocoelous formation ... Each microspore eventually divides once by mitosis and produces two cells, a generative cell and tube cell. Together, the two cells and their wall constitute a pollen grain, o...
- Word Count: 3790
- Approx Pages: 15
- Grade Level: High School