1. Whether or not height affects running speed.
2. She and her friend Melissa exercised equal amounts, but Melissa still ran faster, so Sally wanted to know why.
3. speed
4. quantitative
5. males vs female data, so gender, and how much each test subject exercises, so their athleticism
6. Gender, distance ran
7. no
8. 1 trial as a class, but independent data for each student, so I would say there were as many trials as students in the class
The amount of hyaline cartilage in the embryonic skeleton is much higher than in a child. This is because the embryonic skeleton will still go calcification as the embryo ages to fetus and eventually to being a child to adulthood.
Essentially, a control variable is what is kept the same throughout the experiment, and it is not of primary concern in the experimental outcome. Any change in a control variable in an experiment would invalidate the correlation of dependent variables (DV) to the independent variable (IV), thus skewing the results.
<span>Sink
A sink is an area where sugars are used or stored; typically, these are the roots and fruits of a plant.</span>
Answer:
D
Explanation:
DNA stands for deoxyribonucleic acid, while RNA is ribonucleic acid. Although DNA and RNA both carry genetic information, there are quite a few differences between them. This is a comparison of the differences between DNA versus RNA, including a quick summary and a detailed table of the differences