Answer:
All the above
Explanation:
If I understand the way the question is posed, the answer would be all of the above.
Mutualism is a way of life in which two species that could live independently come together permanently or sporadically and each one puts something on their side for the survival of both. In nature there are many types of mutualism, for example, the spider and the toad, the narrow-billed toad is an ally of a type of tarantula that usually devours small frogs, but what, in exchange for this small amphibian to eat the parasites that affect its eggs, the arachnid allows it to live in his burrow underground and in return defends him from possible predators, like owls, throwing to them urticating hairs in their eyes.
D the answer is Glycogen is composed of a branched chain of glucose residues. It is stored in liver and muscles. It is an energy reserve for animals. It is the chief form of carbohydrate stored in animal body.
The two monomers present in one molecule of disaccharide sucrose is composed of the monomers glucose and fructose.