<span>Intrinsic factor is a glycoprotein principally secreted by the parietal cells of the stomach. This secretion is needed to produce mature erythrocytes. Its secretion is governed by the same biochemical processes that regulate acid secretion and its action is to assist in the absorption of vitamin B12.</span>
That means they're not autotrophs, but they're heterotrophs instead. That means they need to get their sugar from other organisms like plants to produce chemical energy stored in ATP
The silver spoon will heat up faster.
The organism at the lowest level is a more simpler organism but as years pass each layer we can see how that organism is evolving to become more complex. Each layer contains a organism developing and becoming more complex. After the organism has been buried, more sediment, volcanic ash or lava can build up over the top of the buried organism and eventually all the layers harden into rock.
Answer:
Your body needs folate to make dna and any other genetic meterial .
Explanation:
