D Streak. The student is scratching it on white paper to test the streak.
"<span>Forms the supporting stalk" is the one function among the following choices given in the question that the </span><span>structure seta of the sporophyte performs . The correct option among all the options that are given in the question is the second option. I hope that the answer has come to your desired help.</span>
Answer:
Pepsin
Explanation:
An enzyme made in the stomach that breaks down proteins in food during digestion. Stomach acid changes a protein called pepsinogen into pepsin.
A horseshoe crab has been around for almost 500 million years. They are classified as arthropods and not actual crabs. However, There are many reasons that have helped them survive this long including, they can eat almost any organic matter. There blood is different from normal, in fact it’s blue. This blood helps them heal any wounds right away. They can also live in areas with very low levels of oxygen, meaning habitat is not a big issue for them. Evolution has also helped them grow and adapt seeing as they’ve survived this long.
Hope that helps:)
