Q: Most scientists think that ordinary matter makes up how much of the total matter in the universe? Choices: - greater than half - about half - more than half - less than half A:
less than half

(Question)
Q: Chewing insects such as dragonflies and grasshoppers have how many sets of jaws? Choices: - one - four - three - two A:
(Answer)
two

Ques: Q: What type of cell does the sperm cell fertilize? Choices: - fat - bacteria - protein - egg A:
Ans: egg

(Q).
Q: Animals that live in groups with other members of their species are called what? Choices: - present animals - common animals - energetic animals - social animals A:
(A).
social animals

Ques:Q: What are the long, thin structures that protrude from the cell membrane and help single-celled organisms move or swim towards food? Choices: - microvilli - tentacles - sporangia - flagella A:

Ans:flagella

Q: What keeps the earth orbiting the sun? Choices: - strong nuclear force - magnetic force - weak nuclear force - gravity A:
gravity