Which of the following describes how vestigial structures provide evidence to support that life changes over time?
Please help
A. some animals exhibit similar structures, possibly due to a common ancestor

B. some animals exhibit similar stages of embryonic development

C. some animals exhibit structures that are no longer used for any purpose

D. some fossils exhibit similar biological proteins

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous

Aresearcher created three groups based on participants bmi: normal weight, overweight and obese. the hypothesis being tested is that the three groups differ in the mean number of artificially sweetened drinks consumed weekly. which statistical test might the researcher use, assuming a reasonably normal distribution of values.

Which diagram best represents the chromosomes that would be found in a two new skin cells produced as a result of this process?