One word answer is Mutation nothing is perfect but some bacteria also have changes from conjugation aka sex between bacteria even though they are asexual organisms
When it comes to the environment and the oceans ecosystem whales help regulate the flow of food by helping to maintain a stable food chain and ensuring that certain animal species do not overpopulate the ocean.
Answer:
The answer is: passing laws to prevent a certain type of scientific research.
A- Gravity. I believe it is gravity since that is the only one that makes sense in this situation. I hope i helped! :)
Answer:
Tiredness. The person feels tired
Explanation:
If you eat too little, you may not obtain as much energy as you need. This will make you feel tired
