Why is glycolysis considered to be one of the first metabolic pathways to have evolved?

Because it's anaerobic

Explanation:

This metabolic pathway can be found in most of the organisms in the nature.

That gives us the guideline that it's one of the first in appear, even in the abstence of oxygen.

Millions of years ago, there was no presence of free oxygen in the atmosphere.

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).