The correct answer is option C, that is, epoch.
An epoch refers to a time unit. An epoch in geological time scale refers to a subdivision, which is lengthier than an age but briefer in comparison to a period. The present epoch is the Holocene epoch of the Quaternary period.
The two or more periods form a geological era, two or more eras form an eon and is the largest division of the geologic time.
Answer:
The one who receives food from the esophagus is the stomach. Duodenum, jejunum, ileum are part of small intestine. In large intestine, the last nutrients of the food are absorbed and then decompose and transform it into poop
Explanation:
<span><span>All cells have a plasma membrane, ribosomes, cytoplasm, and DNA.
</span>Prokaryotic cells lack a nucleus and membrane-bound structures.
<span>Eukaryotic cells have a nucleus and membrane-bound structures called organelles.</span></span>
Pretty sure the realistic answer is A. They had traits that helped them adapt the environmental changes
