That is a very tuff question
In today's society, the theory of Darwin - the theory of evolution, which states that all organisms have evolved from simple organisms to more and more complex organisms all the way to us, is favoured and viewed as something that seems to be true, at least when considering all the available evidence.
Phosphates are a critical part of life because it holds DNA and RNA together. Also, it is a critical component of ATP. Plants assimilate phosphorous from the environment and then convert it from inorganic phosphorous to organic phosphorous.
Fish, reptiles, amphibians, reptiles and mammals
Answer:
B cells are activated when their B cell receptor (BCR) binds to either soluble or membrane bound antigen. This activates the BCR to form microclusters and trigger downstream signalling cascades.
Explanation: