Answer:
The correct answer is - reducing competition between the birds for resources.
Explanation:
In this ecosystem, the two species of birds brown creepers and nuthatches share habitat in the same tree for their food resources are insects. Brown creepers feed on resources on the bottom of the tree whereas nuthatches feed on the top of the tree.
By this, they avoid competition between these two birds for the same food resources in the same tree. The competition would be more if both have depended on the insects all over the tree.
Phylogenetic bracketing is a technique for surmising utilized as a part of organic sciences. It is to deduce the probability of obscure attributes in life forms in view of their position in a phylogenetic tree. One of the primary utilizations of phylogenetic sectioning is on wiped out creatures, known from fossils.
Answer:
Development of testable hypothesis from observation
According to one theory “listening to Mozart music induce short improvement in certain kinds of cognitive task”. Study have shown a proposed link in improving the reasoning and visualization of students during examination in the presence of classical music. It means there is relationship between classical music and man hormonal system. Therefore, listening to classical music raise dopamine and treating depression level. It leads to better performance in examination.
Silveraja et al. (2015) studied the effect of classical music on examination performance while students solving their papers in examination hall. He concluded that in the presence of music the performance was better.
