The marine biologist job outlook includes some growth, but with strong competition for jobs. If you are passionate and dedicated, you can make this a lifelong career. Marine biologists study ocean life, conducting research on aquatic plants and animals.
3. Leaf Arrangement (Phyllotaxy) Three different leaf arrangements: Alternate (one leaf per node), opposite (two leaves per node) and whorled (three or more leaves per node). A node is the place where one or more leaves are attached along the stem. The area between the nodes is called the internode.
KEY FOR BROADLEAVED SPECIES. 1a Leaves compound, consisting of several distinct leaflets growing from the leaf stalk. 2. b Leaves with lobes or deep indentations around the margins. 3. c Leaves simple, without lobes or deep indentations.