Which kind of bone is hard and dense and contains canals for blood vessels?

Parasitism could be considered a form of which of these types of relationships? -mutualism -commensalism -predator-prey -mimicry

Development has provided electrically for less money but what may be considered a cause of nuclear power

In which order does sexual reproduction take place in plants? a. pollination, germination, fertilization b. germination, fertilization, pollination c. pollination, fertilization, germination d. fertilization , pollination, germination