Answer:
Fruit stems seeds stomata can i have brainiest
Explanation:
After all this info you have given me, the correct one is Keystone species. As defined in sources like National Geographic, <span> These are types of plants or animals that play a unique and crucial role in the way an ecosystem functions. Without </span>keystone species<span>, the ecosystem would be dramatically different or cease to exist altogether. I hope this helps you a lot </span>
Carbohydrates are composed of polysaccharides, which are made up of monosaccharides
The answer you are looking for is Collagen.
Hope this helps!:)