Controlled scientific experiments include variables. One kind of variable is an independent variable (test variable) and the other kind is a dependent variable (outcome variable.) Which statement best describes the difference between these variables? A.
The dependent variable does not change and the independent variable does change.

B.
The dependent variable does not change and the independent variable does not change.

C.
The dependent variable is the control and the independent variable is the result.

D.
The dependent variable changes due to the changes made to the independent variable.

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards. the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

Where does the esophagus lead to in a frog?

Where does the citric acid cycle take place in eukaryotic cellular respiration?