Fractures of the humerus, scapula and clavicle usually result from a direct blow or a fall onto an outstretched hand. Most can be treated by immobilization. Dislocation of the humerus, strain or sprain of the acromioclavicular and sternoclavicular joints, and rotator cuff injury often can be managed conservatively.
There are many predaceous insects. They eat other animals, including other insects and vertebrates. There are many predaceous insects. They eat other animals, including other insects and vertebrates.
The larvae of the midge Chaoborus is the only widely known insect larvae classified as plankton. Chaoborus comes up during the night to float with other plankton and eats many types of zooplankton in lakes. Tunicates. Some tunicates are planktonic, such as the holoplanktonic classes Appendicularia and Thaliasia.