<span>The process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.
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To compare the average weight of mallards raised on corn to the average weight of mallards raised on rhubarb. Thus option D is correct.
<h3>What is hypothesis testing?</h3>
In statistics, hypothesis testing is a method for determining if survey or experiment results are relevant.
To compare the average weight of mallards raised on corn to the average weight of mallards raised on rhubarb. this experiment is to be done in order to best test this hypothesis.
Learn more about hypothesis testing here:
brainly.com/question/1506480
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Yes, only the pulmonary artery carries blood towards the heart
Answer:
Each organism absorbs minerals produced by the other
Explanation:
Lichen is a symbiotic association between fungi and alga. The fungus is able to absorb essential mineral ions like calcium, phosphate and potassium better than the alga thus benefiting the alga. The fungus in return gets organic materials from the alga. The alga provides organic nutrients for the lichen through photosynthesis and the lichen provides protection from drying out because the alga lives within the fungus's cell wall.
