Most commonly, jello or any kind of gelatinous material is used when making a cytoplasm, while a nucleus is represented well with a plum.
Answer:
antibodies to a disease bacterium
Explanation:
The medulla oblongata detects the levels of oxygen and carbon dioxide concentrations and signals the muscles in the heart, the lungs and diaphragm to increase or decrease thebreathing. The pons controls the speed of inhalation and exhalation orrespiration rate depending on the need of the body.
<span>This shows that, in most species, a characteristic is controlled by a suite of genes instead of having only one gene doing all the work. Polygenic traits are much more common than monogenic, which leads to an entire range of outcomes being possible, instead of having an either-or outcome.</span>
Answer:
<em>Like every other organism the population size of the humans have increased over time.</em>
Explanation:
With the improvements in science and technology, life becomes better and better for human beings. In the past, when there were no discoveries for curing diseases, the human population declined because of the spread of various diseases and famine conditions.
But as the developments in the scientific world are made, it has been easier to cure diseases and other problems. As a result, the population size of the human goes on increasing.