The correct answer among the choices listed above is option D. The connection between the mother and the embryo that provides the embryo with oxygen and nutrients and waste disposal is the placenta. Hope this answers your question. God Bless.
Gynmosperms are a group of seed producing plants, where the seed are grown on either the leaves (such as a ginko), or scales (such as a pinecone), and gametophytes are found in the same place as seeds, just in a different phase (2 ametes come together to make a seed)
Structure B. Chloroplasts are the site of ATP production in plant cells
"Diffusion is one way<span> by which </span>materials move<span> in and out of </span>cells<span>. Small molecules such as oxygen </span>can<span> pass </span>through<span> tiny gaps in the </span>cell membrane<span> by diffusion. ... Oxygen molecules </span>move<span> out of the </span>cell<span> by diffusion."</span>