Answer: The "Eustachian tube" helps equalize the pressure within the ear.
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it is true that male genotype is XY and female genotype is XX but therefore a female does not contain a 44 number of gene(chromosome) each pair of a human "gene" have 23. in ym case it it false
According to the levels of organization in a multicellular organism.
human being --> digestive system --> stomach --> stomach lining tissue --> stomach lining cell.
<h3>What do you mean my level of organization? </h3>
LEVEL OF ORGANIZATION:
Living organisms are classified according to hierarchical levels. The hierarchy of the level of organization is as follows:
cell → tissue → organ → organ system → organism
Thus, option "B" human being --> digestive system --> stomach --> stomach lining tissue --> stomach lining cell.
To learn more about levels of organization click here:
brainly.com/question/14501995
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Your answer would be A
Homologous chromosomes trade pieces of DNA.
When crossing over occurs, segments of non-sister chromatids break and then reattach to the other chromatid.
