Q: What is the the force of attraction that holds together ions? Choices: - covalent bond - soluble bond - magnetic bond - ionic bond A:
ionic bond

(Question)
Q: What is the process bacteria use to break down chemicals into food? Choices: - biosynthesis - gametogenesis - cellular respiration - chemosynthesis A:
(Answer)
chemosynthesis

Ques: Q: What kind of mouthparts do aphids have? Choices: - chewing mouthparts - sponging mouthparts - siphoning mouthparts - piercing-sucking mouthparts A:
Ans: piercing-sucking mouthparts

(Q).
Q: What element is an essential part of many molecules needed by living organisms? Choices: - helium - silicon - hydrogen - nitrogen A:
(A).
nitrogen

Ques:Q: What does the respiratory system exchange between the body and the outside air? Choices: - fluids - blood - nutrients - gases A:

Ans:gases

Ques:Q: Similar to the coil on a stove, changes in what reflect an increase in the temperature of a star? Choices: - texture - direction - rotation - color A:

Ans:
color