But the many-celled algae, make their food by photosynthesis. Plants have complex, multi-cellular reproductive systems and might need wind, birds, or bugs for pollination. Algae can reproduce through tiny spores or even by replication or the growth of broken piec
1- observation
2-hypothesis
3-test hypothesis
4-analyze data
5-conclusion
It has two phosppholipid layers that are either hydrophobic and hydrophillic the function is to protect thing from coming in and out
The moon revolves around the Earth as a natural satellite.
Answer:
This is false.
Explanation:
Stars are made of very hot gas. This gas is mostly hydrogen and helium, which are the two lightest elements. ... Most stars have small amounts of heavier elements like carbon, nitrogen, oxygen and iron, which were created by stars that existed before them.