6 is true - scientists with a strong belief in what they are working on may show bias
7 is false - most plants and animals reproduce sexually
The answer to your question A link between green algae and land plants has been clear to biologists for. The remainder of Chlorophyta constitutes a monophyletic group. This major bifurcation in green plant evolution implies a single common ancestor to the two lineages, but, of green algal phylogeny, which is reflected in modern classification.<span>
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I think the correct answer from the choices listed above is option A. The process that is being described above is called succession. Ecological succession is the process of change in species structure in a community as time goes by. Hope this answers the question.