Animal cells are able to move because they do not have a cell wall like a plant does. Hope this helps, good luck!
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Answer:
The duplication of a cluster of four Hox genes is equally likely as the duplication of a single Hox gene.
Explanation:
This comes from the definition of the parsimony principle, which is the action of choosing the simplest scientific explanation fitting the given evidence, meaning that all other elements are equal when evaluating the hypothesis. In biology the best hypothesis is the one that requires the fewest evolutionary changes.
Since three independent duplications of an individual Hox gene is in evolutionary terms, more complex than a single duplication or a cluster, then that hypothesis would be the most parsimonious.
The answer would be a dangerous process, this is because the greenhouse effect traps gasses such as CO2 and other harmful gasses emitted from the Earth, that can ultimately lead to problems in the future.
The greenhouse effect is also the reasoning behind why scientist believes in Global warming and climate change.
Plus, the greenhouse effect is neither natural, new, nor artificial.
