Answer:
Over our lifetime, our DNA can undergo changes or mutations that result in differences in the DNA sequence and may affect the proteins that are made. Mutations can occur as a natural consequence of errors in DNA replication or as a result of exposure to environmental factors such as smoking, sunlight or radiation.
Explanation:
Answer:
e
Explanation:
The correct answer would be that they <u>are more numerous than primary consumers.</u>
Secondary consumers are never more numerous than primary consumers. <em>This is primarily due to the fact that the higher we move up the food chain, the less efficient the amount of energy derived from food. Up to 90% of energy is sometimes lost at each trophic level as we up. Due to this inefficiency, the available food at top consumer levels can only support a few organisms. Hence, the higher we move up the food chain, the lesser the number of organisms the available food can support.</em>
The correct option is e.
What system are we talking about? Context is needed... water cycle, cells, etc?
I can’t see the options in the question.
But, fossil fuel includes hydrocarbon-containing natural resources that are NOT derived from animal or plant sources. These are sometimes known instead as mineral fuels.
No you don't have to be green
