. When performing an experiment, what is another word used to describe the treatment?

a. hypothesis
b. control
c. variable
d. data


c. variable

Biology & Microbiology

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Is natural selection the same thing as evolution?

A. Yes, they are the same because they both change populations. B. No, they are not the same because natural selection works on individuals, whereas evolution is change in populations. C. Yes, they are the same because they both involve phenotypes and genotypes. D. No, they are not the same because natural selection has never been observed.

Biology & Microbiology

Summarize the arguments, both for and against, for the hypothesis that Abraham Lincoln had Marfan syndrome

What will be an ideal response?

Biology & Microbiology

Why is it important that the cells of the phloem remain alive

What will be an ideal response?

Biology & Microbiology

Which cells make up cartilage?

A) fibroblasts B) osteocytes C) chondrocytes D) hepatocytes

Biology & Microbiology