Lab: Natural Selection-Standard Bio 4.2 — Unit test
Question 2 • Fall 24 GSE Biology B-IC
Protists are a group of organisms that are characterized as eukaryotes (they have cells with nuclei) that are neither plants nor animals nor fungi. They are very diverse, and there are many hypotheses about their classification. The cladogram for protists is constantly changing and, sometimes, there are opposite hypotheses that both have data to support them. What is the implication of a changing hypothesis?
Answer
A
It is acceptable because data are still being collected.
B
It is acceptable because everything in science should always change.
C
It is not acceptable because the correct answer needs to be found.
D
It is not acceptable because science never changes.
Explanation
Scientific hypotheses can change as scientists collect new evidence and improve their explanations. Protists are highly diverse, so different classification hypotheses may be supported by the available data while research continues. This makes changing hypotheses acceptable; it does not mean that everything must change or that science never changes.
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