Most coelomates possess a "A. Circulatory system" because the main feature of these animals is that they posses a digestive tract, which requires a certain amount of circulation.
Answer: Gathered food was stored
Explanation: An important characteristic of the earliest permanent human settlements was that gathered food was stored. This allowed the settlements to survive better through harsh times, such as the winter. Also, by storing food less, hunters were needed for the settlement, and individuals began to focus and learn other trades to advance with civilization.
Soil develops in horizontal layers.If we cut vertically into the earth ,the different layers become visible.A soil profile is a sample taken from the surface down through the soil . The horizontal layers of soil are called soil Horizons.
Answer:
The International System of Units
Explanation:
(SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system. It is the only system of measurement with an official status in nearly every country in the world.
Red blood cell (or erythrocyte): carries oxygen, bound to hemoglobin, to deliver to the tissues. This is an anucleate cell type.
Platelet (or thrombocyte): important in the process of blood clotting. Generated from the megakaryocyte.
Neutrophil: short-lived, phagocytic cell that is quick to respond to pathogen infection. Most abundant of the leukocytes.
Lymphocyte: used in the immune response, as either B- or T-cells.
Monocyte: wandering blood cell. Largest of the leukocytes.
Eosinophil: phagocytic cell that engulfs antibody-covered pathogens; an acidic granulocyte with bi-lobed nucleus.
Basophil: releases histamine and heparin. Least abundant leukocyte.
