The directional selection is the type of natural selection, in which an extreme phenotype is promoted due to the changes in the environment. This causes the changes in the allele frequency and the shifting of the phenotype in a particular direction. In this condition, one of the extreme phenotypes are promoted, which result in the shifting of genotypic frequency either of the homozygous characteristics.
d. what is the effect of paper bags on the environment?
Answer:
The correct answer is- Mutualism
Explanation:
Mutualism is a symbiotic relationship between two organisms in which both organisms interact and get benefited from each other. So in mutualism both help in each other survival.
In mycorrhiza fungi are associated with the plant roots and provide nutrients and water from soil to plants and plants provide food(sugar) to its partner i.e. fungi. Therefore both the partners are benefitted from each other.
Therefore mutualism is the symbiotic relationship exemplified by mycorrhizal fungi.
Answer:
Hey there!
A theory can be best described as an idea that is supported by many different experiments.
Let me know if this helps :)
