Q: What can destroy living cells, produce mutations and cause cancer? Choices: - plasma rays - stingrays - prismatic rays - gamma rays A:
gamma rays

(Question)
Q: Because all animals require an external source of what, they are called heterotrophic? Choices: - fuel - energy - water - food A:
(Answer)
food

Ques: Q: Which system is capable of responding quickly to changing situations? Choices: - endocrine system - reproductive system - circulatory system - nervous system A:
Ans: nervous system

(Q).
Q: What occurs when force is applied to a moving object? Choices: - stimulation - inertia - transmission - acceleration A:
(A).
acceleration

Ques:Q: What are found in moist forests that break down decaying plant material? Choices: - trichina - spirogyra - organism - myriapoda A:

Ans:myriapoda

Q: Because core electrons are closer to the nucleus, they are not involved in what? Choices: - diffusion - splitting - fission - bonding A:
bonding