Answer:
Similarities in embryos are evidence of common ancestry. All vertebrate embryos, for example, have gill slits and tails. Most vertebrates, except for fish, lose their gill slits by adulthood.
Explanation:
itz from gologolo lol I hope it helps uh
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The arrangement are SA node, internal pathways, AV node, AV
bundle, Bundle branches and Purkinje fibers. The anatomy of the intrinsic
conduction system causes contraction of the ventricles to activate at the apex
and move superiorly so blood is forced upward, toward the semilunar valves.
Researchers suggests that we can avoid self-confirming diagnoses by all the given options.
<h3><u>Explanation:</u></h3>
Self confirming of diagnosis of a disease is actually good for a skilled person, but for general persons, it can be very dangerous and can cause severe outcomes. Different diseases have similar symptoms, but the outcomes are very different.
Some insignificant diseases like indigestion, acidity do have symptoms of loose motion, along with severe diseases like cholera, typhoid, dysentery, and acute arsenic poisoning. So its very necessary for checking the actual cause of the disease by differential tests as well as carefully classifying the symptoms by a professional doctor.
Answer;
-Green plants are responsible for oxygen in the atmosphere.
Explanation;
-Green plants undertake a process of photosynthesis, in which they use energy from the sun, carbon dioxide and water to form simple sugars and also release oxygen to the atmosphere. The simple sugars from the process may be used by the cells for energy or be stored in form of energy for future use.
-Oxygen is a product of photosynthesis which is released to the atmosphere.
<span>He meant the micro-organisms (microbes) are very small living organisms but plays an important role in maintaining life on earth. Microbes fix gases and break down animal matter and dead plants into simpler substances that are used at the beginning of the food chain. Pasteur shows that vaccines against infectious diseases can be manufactured. </span>
