What are the 4 characteristics that separate mammals from other vertebrates? 1. Hair
2. Milk
3. Sweat
4. Bilateral Symmetry
5. Segmentation
6. Fat

Complete the possible outcomes for each generation in the pedigree chartaa aa aa

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

Explain why biological control methods are generally environmentally superior to chemical pest control methods.