Answer:
D.
Explanation:
A eukaryotic cell may be single-celled or or found in multicellular organisms whose cells contain at least one distinct nucleus. It has defined organelles. And may no contain the chloroplast.
The chloroplast is a specialised organelle found in the cells of green plants or animalcules, and in photosynthetic algae, where photosynthesis takes place.
Answer:
Human skin pigmentation is the product of two clines produced by natural selection ... The populations exhibiting maximally depigmented skin are those ... &c., are of the nature which it might have been expected would have been ... The evolution of light pigmentation at high latitudes has long been related ...
Explanation:
Answer:
The monetary or utilitarian upsides of biodiversity depend upon the reliance of man on biodiversity; items that nature can give: wood, food, strands to make paper, gums, synthetic natural items, qualities just as information for biotechnology, including medication and corrective sub-items.
Explanation:
Hope this will help you :)
Answer:
Explanation:
It certainly isn't the last one. A theory is close to a guess. It fits all the known facts, but there is usually something missing. If someone figures out what is missing, usually by experiment, then the theory become a fact.
The rest of them (1 2 an 3) can all be true. 3 is the least viable. You have to be able to come up with a counter example to reject a theory.
I'm not sure about 2. New phenomena can still be part of current theories. Reluctantly, I wouldn't choose 2 because
1 is the best answer of a very poor lot. Do not be surprised if you use it, that it turns out to be wrong.
Answer:
The correct answer is option C. gibberellin.
Explanation:
Gibberellin is a type of fungal and plant growth hormone. Gibberellin is one of five main groups of plant hormones.
Gibberellin has different functions and roles in plant growth and regulation such as stem elongation, stem germination, fruit ripening, and flowering.
The gibberellin acid class of hormones has been commonly used in the control of flowering in several species by the florist,
Thus, the correct answer is option C.
