Which of the following statements about scientific theories are true? (a) theories cannot be tested (b) theories are the same as hypotheses. (c) theories can be used to predict the existence of as yet unobserved things or phenomena. (d) theories are ethical principles based on a religious foundation

5) these are organisms where the genetic material is not bound by a nucleus. they are usually unicellular.

Answer ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above