Which of the following is true?
A) A scientific theory is the final answer to a question about a natural event.
B) A scientific theory is a hunch about a natural event.
C) A scientific theory explains what we know to this date about a natural event.
D) A scientific fact and a scientific theory carry the same weight in the scientific community.
Answer: C
You might also like to view...
Which of the following statements is not true of nitrogen-fixing bacteria?
A. They live in root nodules. B. They are very common in symbioses with plants from the legume family. C. They are very common in symbioses in all plant families. D. Some are free-living in the soil. E. They provide an important way that biologically available nitrogen enters ecosystems.
Why would a diet containing unsaturated fats that form triglycerides be better for an athlete when considering energy levels and health?
A. Unsaturated fats are packed closer together, making them higher in energy storage levels and fluid within the body. B. Saturated fats have double bonds, making them harder to break down for energy release and creating artery clogging structures. C. Saturated fats are packed closer together, making their breakdown for energy release less efficient and forming unnecessary fat deposits. D. Unsaturated fats have a linear structure, making them easy to break down and releasing high amounts of energy when glucose levels are low.
The key defining characteristic of hominids is:
a. the use of tools. b. language. c. opposable thumbs. d. bipedal locomotion. e. loss of supraorbital ridges.
What is the MOST common type of mutation involving single base pairs?
A. frameshift mutation B. nonsense mutation C. missense mutation D. base substitution