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.
A herbivore is any animal that only feeds on plants. They are often prey for carnivores and omnivores. To counter this they have adapted various ways of either defending themselves, or escaping from the predator.