Some molecules are too big they cannot diffuse through the membrane, for example starch (glucose) molecules.
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Yes, the phylogenies of the different islands support the theory that one colonization followed by adaptive radiation and convergent evolution occurred.
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Adaptive radiation is recognized as one of
the most important processes responsible for the origin of biological diversity. Convergent evolution occurs when species have different ancestral origins
but have developed similar features.
Let the time taken be t
average speed= total distance/total time
55=605/t
t=605/55
t=11 hours
(check the calculation once)
The whiff of the perfume of Tammy reached the nostrils of Jim through the process of diffusion. The process of diffusion can be defined as the process by which the substances (liquid and gases) move from one place to another from the area of high concentration to the area of lower concentration. The particles of the perfume move from the Tammy's body (high concentration) towards Jim through the air (low concentration).
Hence, the answer is 'Option B - diffusion'.