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Answer:
a) Maxillopoda is a diverse class of crustaceans including barnacles, copepods and a number of related animals. It does not appear to be a monophyletic group, and no single character unites all the members
b) General Characters of Hexapoda (Insects)
Ø A large taxa, includes insects and a small group of wingless arthropods.
Ø Body plan: 3 parts, head, thorax and abdomen.
Ø Head with six segments.
Ø Thorax with three pairs of jointed legs (hence the name hexapoda)
Ø Head bears a presegmental acron.
Ø Acron bears compound eyes.
<span>Since we are not able to get energy directly from the food we eat, a particular process needs to take place that converts molecules to Adenosine triphosphate, also known as ATP. This requires that the food first be broken down by being digested. As digestion takes place, the body uses the small molecules to make ATP.</span>
Answer:
A and B
Explanation:
the main factors that result in violent volcanic eruption is low viscosity and gas content
Answer AND Explanation:
When sodium atoms bond with one oxygen atom they form a covalent bond. However, there has to be two sodium atoms each with an extra electron that are donated to oxygen. Each of these sodium atoms gives oxygen one electron, allowing the oxygen atom to have a full shell with eight electrons. The sodium atom loses one orbital level since the electrons are donated.
4Na + O2 → 2Na2O
