Answer:
The tissues of multicellular, complex animals are four primary types: epithelial, connective, muscle, and nervous. Recall that tissues are groups of similar cells group of similar cells carrying out related functions.
Explanation:
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Answer: Nucleus Acids
Explanation: Nucleic Acids hold and store DNA (think Nucleic/Nucleus)
In 1775 Jenner began to study the relationship between cowpox (a comparatively harmless disease) and the more dangerous and disfiguring smallpox. ... He hypothesized that exposure to cowpox rendered the body immune from smallpox. After nearly twenty years of experiments, he developed the first vaccine.
"N<span>eurula stage" is the stage among the following choices given in the question that is the stage of the embryo Jim was watching. The correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer that has actually come to your great help.</span>
