Miller Urey experiment mimics the environment we had for earth billion of years ago. They put in inorganic molecules and came out with organic molecules. Other scientist thought that they messed up their experiment, but once other scientists recreated and tested. They saw that Miller and Urey were correct. And that helped them see that the origin of life can come from simple cells.
Answer:
The correct answer will be option-pollen.
Explanation:
The pollen are the male gametophyte which is produced in the seed plants.
The pollen produce male gametes after entering the female gametophyte. The male gametes fuse with the egg cell and form the embryo inside ovary which matures and forms seeds. The vascular seed plants lack these pollen but instead produces male gametes in gametangia which are replaced by the pollen in the seed plants.
Thus, option-pollen is the correct answer.
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c. thyroxine </span><span>The thyroid releases too much of the hormone thyroxine, which increases the person's basal metabolic rate.</span>
Answer: Austyn's heart rate is up quite a bit compared to Shanice which means either he was working out harder or since he's a male he has a larger heart which need more blood through the body. The heart rate is affected by how hard you work out? The size and possibly the condition of your heart?
Explanation: