Reproduction, Heredity, Variety in fitness of population, and variety in characters among the population are all four conditions for natural selection.
Red blood cells carry oxygen from our lungs to the rest of our bodies. It carries a special protein called haemoglobin, which helps carry oxygen from the lungs to the rest of the body, it has no nucleus and can easily change shape
I hope that helped :(
Answer: A. ,C.
Explanation: It's in the food chain and constantly need's water.
Answer:
A. is the answer
Explanation:
Oil, coal and natural gas resources are non renewable energy sources.
