Answer:
blood consists of plasma, red blood cells, white blood cells, and platelets
Explanation:
Every animal, plant and human needs the primary <u>physiological </u>needs of water, food and shelter provided by the abiotic system.
Organisms in the ecosystem are interdependent.<span> Ecosystem is encompassing all the life on earth in the physical environment that supports it. In addition, </span><span>an ecosystem involves both the biological (plants, animals, human beings) and non-biological (land, water, soil, and atmosphere) community which interacts as a system. More importantly, the living things are very dependent on the abiotic community since it cannot survive by itself. </span>
The stage that scientists begin to ask questions and attempt to explain observations is A. forming hypotheses. This is because a hypothesis is basically a testable question about observations scientists make.
This is true I looked up in the science dictionary.