In the UK, a PhD stands for âDoctor of Philosophyâ, sometimes referred to as a âdoctorateâ. It is the highest level of degree that a student can achieve. At some institutions, including Oxford University, a Doctor of Philosophy is known as a DPhil.
A detritivore (also known as decomposers) is an animal that feeds on dead organisms (living things) and breaks them down into smaller molecules.Detritivores are essential in the ecosystem as they return important materials such as carbon (see carbon cycle) back into the environment. detritivore (also known as decomposers) is an animal that feeds on dead organisms (living things) and breaks them down into smaller molecules.
Herbivores. An herbivore is an animal that eats plants. A butterfly is an herbivore because it drinks pollen from plants. Other common herbivores are zebras, cows, horses, and giraffes. Herbivores are usually toward the bottom of the food chain, and they often serve as prey for larger animals who are carnivores.