What do all cellular activity's in living organisms use as a source of energy

Heterotrophs are what?

A laboratory animal may eat any one of three foods each day. laboratory records show that if the animal chooses one food on onetrial, it will choose the same food on the next trial withaprobability of 50 percent, and it will choose the other foods

When molecules move down their concentration gradient, they move from where they are to where they are. Diffusion across a biological membrane is called.

Which phase of meiosis I is responsible for dividing the cytoplasm? - prophase I - metaphase I - anaphase I - telophase I

Conclusions based on flawed data that does not answer a testable question is an example of an inference a scientific explanation pseudoscience science

True or false: to get more whole grains in your diet, add a whole grain food such as oatmeal or brown rice to your regular diet.

Which of the following statements is not true about absorbency use to soak up different leagues and

DNA replication results in: Group of answer choices 2 DNA molecules that each contain a strand of the original 1 new molecule of RNA 1 new DNA molecule, 1 old molecule is conserved 2 completely new DNA molecules

5. Which is the first step of the scientific method?

Identify the four postulates of natural selection. Select all that apply. 1. Individuals in a population all possess the same traits. 2. All individuals in a population have equal reproductive success. 3. Some trait differences are heritable. 4.