An Ovule is a plant organ that consists of an embryo, tissues and a protective coating.
Answer:
Positive feedback is most like adding wood to a burning fire to increase the heat. Positive feedback is a regenerative feedback process in which a segment of the output is combined with the input for the output to increase more.
Explanation:
Hope this helps :)
D phytoplankton i believe
When testing a hypothesis, scientists use repeated trials and replication to make sure that they get the same answer each time, and that it isn't just a lucky guess the first time. They need be sure that the answer to their hypothesis is 100% the same every time.