Answer:
this shows that at one point these animals lived on the surface because there were plants for them to eat
Explanation:
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Answer: B- Bacteria
Explanation: Bacteria are infinitesimal organisms that have single cells that grow in different atmospheres. They have an easily understood inside arrangement. Their cells are normally surrounded by two shielding coverings which are an external cell continuous vertical structure and a cell pliable sheet-like structure acting as a boundary inside. However, some bacteria do have a third shielding sheet furthest from the center named the capsule.
Scientific law is observations and theory is explanation.
Flucuated between hot and cold periods
Or sweetner??...lol Hope this helped, Have a good day!
