Answer:
Neurulation of organogenesis is the last stage of human development. The gastrula stage forms three germ layers called ectoderm, mesoderm, and endoderm
Answer:Wildebeest are considered keystone species because their presence has myriad effects on the ecosystem, unlike those of any other species. Wildebeest are the "lawnmowers" of the Serengeti grassland. They keep grass short which in turn reduces the frequency of fires.
1. Plan a date
2. Approve with parents
3. Get friends or a club to help
4. Try to get an adult or two ( Be smart. Be safe)
5. Grab lots of trash bags and maybe gloves.
6. Pack food and water at you will be out for a while
7. HAVE FUNN!!
-Jay❤️
<span>Both somatic and germinal mutations are contributors of evolution. Somatic mutations occur within tissues of individuals that give the said individual differing traits and characteristics. Germinal mutations occur in reproductive cells that can be passed on to offspring, altering their traits and characteristics.</span>