Answer:
A) mutualism
Explanation:
Both species cows and bacteria get benefits in this association.
Answer:
Spongy bone consists of plates (trabeculae) and bars of bone adjacent to small, irregular cavities that contain red bone marrow. The canaliculi connect to the adjacent cavities, instead of a central Haversian canal, to receive their blood supply.
Answer:
Classification
Explanation:
Classification is the grouping of living organisms based on their structural similarities. Those with similar structures are put under one group referred to as a taxon. The grouping also takes into account the evolutionary relationships since all living organisms at one time had a common origin.