PLZ HELP 20 POINTS Which belongs in the area marked X?

Energy is released.
Oxygen is used up.
Glucose is broken down.
Carbon dioxide is used up.

Acladogram is a branching diagram that represents suggested evolutionary relationships among organisms based on the presence of unique traits. a scientist discovers a new organism that lacks limbs and does not have a true backbone. the organism lays eggs to produce offspring and has a cartilage-like rod known as a notochord running along its dorsal surface. on the cladogram below, select the species to which the newly discovered organism is most closely related.

What is a codon and where is it found

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring