Answer:
During this stage new organelles are being synthesized (made), so the cell requires both structural proteins and enzymes, resulting in great amount of protein synthesis. Color the G1 phase green on the cell cycle drawing.
Explanation:
Chemical messages originate from DNA
Answer: No
Explanation: The number tertiary consumers will be less than the number of secondary consumers because as we move up in the ecological pyramid, the energy decreases.
The largest number of organism having the greatest amount of energy are producers.
They transfer only 10 per cent of the total energy they have. The primary consumers transfer only 10 per cent of the total energy they have to consumers.
The number of organism decreases along with increase in the tropic level of energy pyramid.
Answer:
Human activities contribute to climate change by causing changes in Earth's atmosphere in the amounts of greenhouse gases, aerosols (small particles), and cloudiness. The largest known contribution comes from the burning of fossil fuels, which releases carbon dioxide gas to the atmosphere
Explanation: