The main purpose of hemoglobin is the transport of OXYGEN and CARBON DIOXIDE
A dichotomous key is defined as a biological tool for identifying unknown organisms to a particular taxonomic level. It is constructed with many levels and series of couplets.
So, by observing the given dichotomous key, it is concluded that the correct answer is Option A- Organism X and Z have at least one observable trait in common in this dichotomous key.
<h3> Chemical level is the simplest level of organization in a human being. </h3>
Answer: Option C
Explanation:
If Gary wants to loose weighty by reducing the calorie intake then he did not did right by eating a candy bar in spite of the bowl of cereal because the candy will be digested faster as compared to that of cereal and he will probably eat something else after sometime.
He should have chosen a bowl of cereal so that he could feel fullness in his stomach and he would not like to eat anything for a longer period of time.
Hence, the correct answer is option C
9.25 because the middle of 9.2 and 9.3 is 9.25
