When to neuter. A male dog can be neutered any time after eight weeks of age. A few years ago, most veterinarians advised waiting until puberty hit at about six months, and some still make that recommendation. Talk to your veterinarian about whatâs best for your dog.
The phylum Cycadophyta contains about 140 living species of plants called cycads, with more species present in the fossil record. Cycads have seeds and water-conducting vessels. Cycads belong to a larger group of plants called gymnosperms, which bear seeds in cone-like structures.
When mature, the scales will then open, dispersing the mature seeds to create a new plant. Phylum Cycadophyta is one of the smaller phyla in group Gymnosperm. They bear seeds in cone-like structures and are native to tropical areas. Phylum genetophyta produce seeds in cones that resemble flowers [Porch 341-42].bies Magnifica, The red fir. The most notable feature of gymnosperms is that they contain their seeds in cones. Most gymnosperms are evergreens, meaning they retain their green color year round [3] . The anatomy of gymnosperms are similar to many other types of plants.