Which organ system would not be represented in any of the body cavities?

According to this food web which of the following would be considered primary consumers

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

What causes eclipses? check all that apply. earth's rotation on its axis moon's shadow covering the sun earth's shadow covering the moon earth's orbit and moon's orbit occasionally aligning the moon and sun's gravity pulling in the same direction