The answer is D
Remember onion cells are plant cells
Cheek cells are human cells
Both of them are eukaryotes
The difference between plants and animal cells:
Plant cells
Have a cell wall, central vacuole, dna floating in cytoplasm, no membrane bound organelles
Animal cells
cell membrane no cell wall, nucleus, membrane bound organism
The statement that due to fluctuations in worldwide fertility and mortality rates, human population forecasts are prone to change is true.
<h3>What is the human population?</h3>
The total number of humans in the world is known as the human population.
The current human population is 7.9 billion.
The human population is increasing day by day, due to overpopulation, the resources are decreasing and pollution is increasing.
The study of the human population is called demography.
Thus, the given statement is true.
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<span><em><u>B. species.</u></em>
</span>
The organismic hierarchy of organism comes from the highest and lowest order as the following;
<span>1. D Domain</span> <span><span>
2. </span>K Kingdom</span> <span><span>
3. </span>P Phylum</span> <span><span>
4. </span>C Class</span>
<span>5. O Order</span> <span><span>
6. </span>F Family</span> <span><span>
7. </span>G Genus</span>
<span>8. S Species</span>
This hierarchy and order helped many taxonomist to determine and classify organisms by a variety of criteria. And it seems that <em>species </em>can breed the same fertile offspring.
A bladder containing 400 - 500 ml of urine is referred to as functional capacity.
Urine is defined as excess liquid waste products of metabolism in human as well as other animals. The kidneys filter nitrogen rich human metabolism byproducts such as urea and creatinine from blood, then transport it to the ureters, then the urine is excreted from the body via urethra. In order for micturition (a process of excretion of urine from the bladder) to happen, the bladder must maintain a functional capacity at a level of 400 - 500 ml of urine stored inside it, after which the excess level of liquid will be excreted from the body.
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