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.
1 There are approximately 10,000 three-leaf clovers for every lucky four-leaf clover. 2  There are no clover plants that naturally produce four leaves, which is why four-leaf clovers are so rare. 3  The leaves of four-leaf clovers are said to stand for faith, hope, love, and luck.