Question:
Why do scientists perform multiple trials of the same experiment?
Answer:
to increase the likelihood of accurate experiment results
Question:
A scientist studies the remains of two extinct animals to learn more about how they lived. She determines that one animal was a carnivore and the other was an herbivore. Which of the following did the scientist most likely compare to make this conclusion?
Answer:
the skull of the animals
Question:
Because sulfur cannot be decomposed by simple chemical methods into two or more different substances, it is classified as
Answer:
an element.
Question:
Populations living in one place form a
Answer:
community