Which layer carries out photosynthesis in a leaf? 1) spongy 2) epidermis 3) cuticle 4) palisade

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?