I think the answer is vibrssae or whiskers.
People who have darker skin have more melanin which is a black or dark brown pigment in the skin. When we are out in the sun our skin produces more melanin, which helps our skin be more resistant in the sun. This is why we tan.
Answer:
Animals - Plants - Energy
Plants gain energy through photosynthesis, which is then eaten by animals, which gets eaten by animals, etc.
Then, Animals die, and the energy is passed on to the soil, which passes to the plant.
Genes are the segments of DNA transferred from parents to offspring
I believe it's feeding relationships between different organisms
