Plankton (singular plankter) are a diverse group of organisms that live in the water column of large bodies of water and that cannot swim against a current. They provide a crucial source of food to many large aquatic organisms, such as fish and whales.lankton are primarily divided into broad functional (or trophic level) groups: 1  Phytoplankton (from Greek phyton, or plant), autotrophic, prokaryotic or eukaryotic algae that live near the water surface where there is sufficient light to support photosynthesis.
Tree swallows breed between May and September. They raise one brood per year. Tree swallows usually nest solitarily. However, they may nest near other tree swallows if nest cavities are close together. Tree swallows build their nests in late April or early May. Their nests are usually built in holes in dead or live trees or in hollow stumps. The female builds the nest using grasses, mosses, rootlets, and aquatic plants.
An old teapot will make a really cute birdfeeder. Just attach the teapot to a tree or even the side of your house. You can use this for a feeder or a nester. Birds can get inside and build their nests so that you can see the babies when they are hatched. As a feeder, it works really well and is a really unique idea.og Bird Feeder. Create a small log by carving out part of a small piece of wood. If you use firewood in the winter, just one little log will do it. You just have to hollow out enough room for the food and then attach a chain to hang the log in your tree.