D. Things that are kept constant.
Controls are used in an experiment where some variable is being changed. By only changing one thing and keeping the others constant they can make sure that any change in the results is caused by the variable and not the constant, since the constant didn’t change.
Answer:
They are important because they help us understand science theories and allows us to dig deeper into science.
Answer:
Explanation:
Grunion are the two species of genus Leuresthes. that are L. tenuis and L. sardinas. The species are found in the coasts of California. These species reproduce by external fertilization. The tides plays important role in reproduction of these species.
The females come on the sandy shores of the beach where they lay their eggs in the sand during high tides. The males wrap themselves around the females and secrete their sperms. The eggs remains hidden inside the sand for 10 days. With the next set of high tides, the eggs hatch and young grunions move towards the sea.
Remember the elements by thinking "Chad Hate Opening Noodles"
remember that the monomer is amino acid by thinking PAA "Protein Amino Acid"
Remember the function by writing it down three or four times.