You can see below the usual age of students at each grade level. Middle Schools consist of Grades 6-8 and are sometimes also called Intermediate School including Grade 5. Sometimes, the middle school can consist of Grades 6-9 and is called Junior High School. High Schools consist of Grades 9-12.
Originally, this genus included all epiphytic orchids. As knowledge of the different types of orchids expanded, the classification became much more refined; for example, there are now some terrestrial species in the Epidendrum genus, and a great many other species have been moved to other genera.leurothallis orchids are a huge genus, with several hundred types of orchids, mostly native to cloud forests in the Andes. They like high humidity, cool temperatures, and hate to dry out. Most are tiny orchids, so you can have a large collection with many types of orchids in a small space!
1 Dendrobium â Dendrobium orchids are tougher than many other varieties, and are often recommended for people who are afraid to grow orchids. 2  They tolerate lower moisture in the air than other varieties and can take a wide range of air temperatures, as well. They tolerate lower moisture in the air than other varieties and can take a wide range of air temperatures, as well. 2  Cattelya â This orchid is probably best known as the corsage flower, since that is where most people first see it. 3  Of the different varieties of orchid, this is the standard that most growers refer to.