Multicellular Colonies of Plant Cells Adhere to Each Other Primarily

Multicellular colonies of plant cells adhere to each other primarily by ________, whereas multicellular colonies of animal cells are typically held together by ________.

A) fusion of cellular membranes; cell walls
B) cell walls; fused cellular membranes
C) cell walls; proteins
D) interlocking chloroplasts; interlocking mitochondria
E) interlocking cellular shapes (like puzzle pieces) ; large, calcified capsules