Vestigial structures. These are structural elements that once served a purpose but as the organism evolved now serves no purpose.
The answer is B mutualism
Answer:
C. Oxygen & Hydrogen.
Explanation:
The body is made of 65% Oxygen, 18% Carbon, 10% Hydrogen, 3% Nitrogen, and 4% other elements.
Answer:
It Depends...
Explanation:
The null hypothesis is that statement that we use as an opposite case of the original expected result. If the null hypothesis is rejected then that means that our expected result is true. If the null hypothesis is accepted then it means that the expected values are in field of error. When the null hypothesis gets rejected it goes for another series of test a.k.a the LSD (Least Significance Test) but sure that another advance level approach for a hypothesis testing...