Draw an label atleast 7 parts of a bird

Environmental differences within ecosystems are generally caused by

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity