Group of phylum Chordata
State the group of phylum Chordata which first colonized the terrestrial environment? Which habitat from did they come?
Expert
Amphibians, are partially aquatic and partially terrestrial animals, they were the first chordates which has colonized the dry land. They arise from the aquatic habitat and were originated from the fishes. Reptiles were the former completely terrestrial chordates.
Write down the types of plant geotropisms? Why do root and stem present opposite geotropisms?
What is meant by the varices? Why they are common within the inferior limbs?
PAM Matrices: PAM matrices is Percentage of Acceptable point Mutations, developed by Dayhoff mutation data matrix. He developed this method along with his co-workers during analysis of the evolution of proteins. This gives the probability of one amino
Describe Voluntary muscles? Explain in short.
In the context of an organization, broad features of a conflict are as under: i. Conflict occurs when individuals are not able to choose among the available alternative courses of action. ii. Conflict between two individuals implies that they have conflicting perceptions, va
SCIENTIFIC MANAGEMENT F.W.Tylor was the pioneer of the scientific management theory. He was a scie
State some similarities which reptiles and birds share regarding the reproduction, external coverage and excretion?
Why are vaccines made of own disease agent or of the fragments of it?
Explain how do calcium ions participate in muscle contraction? Why do both muscle contraction and muscle relaxation spend the energy?
How does the making of enzyme substrate complex occur? Elucidate the drop of the activation energy of chemical reactions?
18,76,764
1958254 Asked
3,689
Active Tutors
1416322
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!