Answer:
1.?
2.bird nesting in trees provide an example of a commensal relationship.trees is not harmed by presence of the nest among the branches.
3.lion is usually social animal,while tiger is solitary.
4.Mosquito-borne diseases are a major cause of morbidity and mortality in human populations living in tropical and sub-tropical regions.
5.?
Explanation:
#BE SAFE✌
