The answer is Small Intestine.
He found out that one inheritence did not affect the other one or the trait
Answer: There are four (4) possible outcomes; {FM, FF, MM, MF}
Explanation: Sample space can be defined as the set of all possible outcomes or results of an experiment or random trial. The size of the outcomes constitutes the number of elements present in the space and this is called Sample size.
Since the question involves two children, there are four possible outcomes for the gender. The two children of the family could be in the following formations;
1. Female - Male
2. Female - Female
3. Male - Male
4. Male - Female
Hence, the sample space will be {FM, FF, MM, MF}
D- species
A biological species is a group of organisms that can reproduce with one another in nature and produce fertile offspring.
True, air mass is a part of atmosphere. This is also a geography/geology question, not a bio question.