Photo receptors are attached to the retina and are most numerous specifically at the fovea
Answer:
You need to use the scientific method and <u>knowledge of the environment and earth systems</u> in order to work as an environmental scientist.
Explanation:
An environmental scientist works based on the fact that it has the knowledge of the environment and he is aware of the interaction between the environment and other components associated with it.
An environmental scientist study about the effect of environment on plants and animals as well as earth systems to protect, understand and develop research methods.
3 examples of proteins in living organisms:
1. Collagen - maintains firmness and structure to body cells and tissues, keeping them together.
2. Keratin - creates the protective barrier for living organisms like skin, nails, and hair.
3. Globular and trans-membrane - supports the regulation of the flow of small ions and molecules such as sodium and glucose.
C) Things need to keep moving about and sexual selection allows for preference towards a particular "look". Just going with instinct