Explain why the number of squid might change if there were a significant decrease in the number of cod

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.

How do water’s relative densities as a solid and a liquid differ from that of most other substances? water’s solid and liquid forms have different densities, while most other substances have solid and liquid forms with similar densities. water’s solid and liquid forms have similar densities, while most other substances have solid and liquid forms with different densities. water’s liquid form is less dense than its solid form, while the opposite is true of most other substances. water’s solid form is less dense than its liquid form, while the opposite is true of most other substances.