Which of these structures contains a male gametophyte? A pine life cycle. Each letter marks a definite structure of this cycle. Letter A marks a structure that gives rise to and contains female reproductive cells. Letter B marks a part of the inner structure of the ovule. Letter C marks a big cell in the ovule. Letter D marks a round structure in the outer layer of the integument. Letter E marks a small structure formed in a microsporangium. A B C D E

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation:

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.

i know can you plzz me with this question im sorry i didt answer your question i just need hel.