The stem cell controversy is the consideration of the ethics of
research involving the development, use, and destruction of human
embryos. Most commonly, this controversy focuses on embryonic stem cells.
The correct answer for the question above is B,
Industrial agriculture increased our ability to obtain more food from the same area. Industrial agriculture is a form of modern agriculture that refers to industrialized production of crops, poultry, livestock and fish. The methods used are technoscientific, economic and political. For example today majority of American farmland is dominated by industrial agriculture.
Answer:
A tapeworm can reproduce sexually, either through self-fertilization or cross-fertilization with another tapeworm, or asexually, by breaking off proglottid segments at the end of the trunk.
Explanation:
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Although the answer to this question remains uncertain, one theory is that an ancient land bridge may have allowed fauna from what is now China to reach Java. The theory is that the present-day Philippine Islands once formed part of a land bridge between mainland China and present day Java. This allowed vertebrates from the Chinese mainland to colonise Java. Supposedly, this occurred around the Pleistocene.
Four haploid cells each chromosome containing 2 sister chromatids.
you are right, it's B.) 4 haploid cells