What evidence from the diagram tell you that this is prokaryote

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%

Are gametes exactly the same? explain why or why not?