An independent variable is A. Directly changed by the experimenter B. Manipulated by changes to the dependent Variable
C. The variable that is kept constant
D. A variable that is used as a control

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

The mammal pictured below is a silvery mole rat. which statement is an inference based on the picture? the animal is ugly. the animal has hairless feet with sharp claws. the animal has prominent upper and lower incisor teeth. the animal likely has poor vision since its eyes are so small.

What does the positioning of transcription factors determine?