Answer:
a mucus or a gelatinous sheath
Explanation:
Most species of cyanobacteria are enclosed in a gelatinous sheath which is made up of proteins.
<span>Light dependent reactions require an actual source of light, and this is from the sun, for energy to carry out the first stage of photosynthesis. They need solar energy to split a water molecule in order to obtain electrons from hydrogen to be used in fueling photosynthesis. Light independent reactions do not require a light source for energy but rather they use energy that was created by the light dependent reactions to complete the process of photosynthesis in which different carbohydrates for the plant are made.</span>
<span>A few examples of reptiles are alligators, crocodiles, turtles, and snakes. </span>A few examples of amphibians are <span>salamanders, toads, and frogs. One difference between the two is the structure of their outer skin. </span>Reptiles<span> are covered with scales, shields, or plates, and their toes have claws.</span>
Human<span> genus are called Homo they include the past genetic tree of humanity, with Neanderthals, Denisovans, and other extinct species of hominin. I hope this helps you!</span>
The non-living factors of the enviroment are rocks, water, and sunlight.
