How could an abundance of algae have a positive impact on an ecosystem? 1Algae grow very quickly. An abundance of algae would cover the surface of the water and provide shade for aquatic organisms.
2Algae provide carbon dioxide for many aquatic organisms. An abundance of algae would result in more available carbon dioxide.
3Algae is the food source for many aquatic organisms. An abundance of algae would mean more available food.
4Algae is a primary consumer. More algae would result in a more balanced ecosystem.

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.