To be honest I'm not sure what the question is you're asking but chromosomes do help decide the gender so maybe go out with that if it's for your homework.
Let me know if you need more detail :)
Answer:
The correct answer is B
Explanation:
Darwin's role whole he was aboard the H.M.S Beagle on the voyage to South America was as a naturalist.
Answer:
Fact: a thing that is known or proved to be true.
Hypothesis: a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
Theory:a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
Law: a statement of fact, deduced from observation, to the effect that a particular natural or scientific phenomenon always occurs if certain conditions are present.
Explanation:
Note: these are not my words, credits to google search.
D. boat sails across the ocean
(plz correct me if im wrong)
