Q: What tool do scientist's use to show the evolutionary pathways and connections among organisms? Choices: - conceptual tree - superficial tree - photogenetic tree - phylogenetic tree A:
phylogenetic tree

(Question)
Q: The validity of thought experiments, of course, is determined by this? Choices: - predictive observation - theoretical observation - hypothetical observation - actual observation A:
(Answer)
actual observation

Ques: Q: As a myotube is formed from many different myoblast cells, it contains many nuclei, but has a continuous what? Choices: - nucleus - mucus - cerebellum - cytoplasm A:
Ans: cytoplasm

(Q).
Q: An example of hydrolysis working within our bodies is the process of what? Choices: - breathing - absorption - filtration - digestion A:
(A).
digestion

Ques:Q: What is a biochemical compound that is a chain of amino acids called? Choices: - DNA - lipids - hormones - proteins A:

Ans:proteins

Ques: Q: By what kind of change can a chemical change be reversed? Choices: - another carbon change - another thermal change - another radioactive change - another chemical change A:
Ans:
another chemical change