In an experiment, all variables are held constant except for one. Then, experimental results are compared to that one variable. What type of experiment is this?

The negative impacts of nonnative species generally outweigh the positive impacts

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?