You'll want to double check, but I think it's (a) cotyledon.
Acids produce hydrogen ions, H+, in water. Bases produce hydroxide ions, OH-.
A population would be an organism (the same species) living in an area
The answer that would best complete the given statement above would be option B. Charles Darwin's theory of evolution by natural selection explains each of the following except <span>inherited traits are passed from to offspring. Hope this answers your question.</span>
