Answer:
its (a)
Explanation:
<h2>A tissue is a group of red blood cells of common origin which are structurally similar and perform a particular function. Organ is a group of tissues and organ system is a group of organs.</h2><h2>Therefore, the correct answer is option A.</h2>
<h2>hope it helps you.</h2>
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Answer:
E.All chordates have ventral l, hollow nerve cord
D.All chordates are bilaterally symmetrical animals
There are four postulates of Darwin in which individual of species are not identical, traits are eased from one generation to the other and more offspring are born than that can survive. survivor of the competition for resources will reproduce only.
The four principle or postulates of Darwin are - variation , inheritance , selection and time. these all are considered the evolutionary component natural selection mechanism.
One is origin species by means of naturally selective mechanism, then preserve in the struggle of race of life.Darwin selection is mainly depends on the environment and heritable variations.All species of organisms which arise through natural selection of survive and reproduce.
To learn more about Darwin here
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All organisms share a common ancester: humans share a common ancestor with E. coli; E. coli share a common ancestor with an oak tree; humans share a common ancestor with an oak tree.
<span>If I hypothesized the two organisms shared a recent common ancestor, they I would predict that their genomes would be highly similar. For example, their genomes would contain about the same number of bases, and the base sequences (especially of protein-coding genes) would be highly identical.</span>