Answer:
The main purpose Ramsar Convention is to protect and preserve the wetlands.
Explanation:
- Ramsar in a location in Iran.
- In 1971, an international treaty was signed for the protection, conservation, and use of wetlands in a sustainable manner.
- Wetlands are water filled area having diverse population of plants and animal species.
- They in rich in both the aquatic and terrestrial plant and animal species.
- In order to protect these biological hotspots the Ramsar Convention Treaty was signed.
It’s the second one. In photosynthesis plants take carbon dioxide and water to make glucose and oxygen. Hope this helps!
Answer:
Explanation:
I think one of the most invasive species is perhaps the Dandelion. Who hasn't had a fit when we see them change from yellow to gray. The yellow is pretty, but the gray means it is ready to spread its seed to create more trouble.
Dandelions can be killed with herbicides, but I think you'd be as well off putting up with the dandelion. The herbicides have an unproven effect on our health.
The dandelion was introduced into the Americas in the mid 1600s and was used as food and had medical properties. Since then, because it has no common enemy in nature, it has spread the entire width of the continent. Rather amazing, I think.
No, they don't have organs and organ system.
Cells form tissues, Tissues form organs, Organs forms organ system; Unicellular have their own one cell only. So, it can't possible that they have organs or organ system.
