Mutualism
a. ecological relationship between members of two different species that directly interact with each other.
b. ecological, symbiotic relationship in which one species benefits and another is neither nor harmed.
c. ecological, symbiotic relationship between two species that each benefit from their interaction.
d. ecological, symbiotic relationship in which one organism benefits by harming another.

C. Ecological, symbiotic relationship between two species that each benefit from their interaction.

Explanation:

A symbiotic relationship is the ecological relationship in which two distinct species interact to live. This relationship can be either beneficial for species, harmful or does not exert any influence.

Mutualism is a kind of symbiotic relationship. In this relationship the two species lives in close association with each other, in this association both the species receives the benefit to be together.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation:

answer: glucoamylase presented optimum activity at temperature of 55â°c, and, in the glycosidic bonds from the non-reducing ends of starch, resulting in the production of glucose. source and type of fermentation can affect the enzyme's properties

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