Q: Which type of bryophytes are named for their horn-like sporophytes? Choices: - arthropods - flatworms - tapeworms - hornworts A:
hornworts

(Question)
Q: What element is essential for amino acid and nucleic acid production? Choices: - oxygen - carbon - hydrogen - nitrogen A:
(Answer)
nitrogen

Ques: Q: What done ozone help protect against? Choices: - gamma rays - x-rays - helium rays - ultraviolet rays A:
Ans: ultraviolet rays

(Q).
Q: What is the name of an element with a different number of neutrons? Choices: - mineral - reaction - solution - isotope A:
(A).
isotope

Ques:Q: When the monocilia are defective, what is disrupted? Choices: - triggering - inhibiting - predicting - signaling A:

Ans:signaling

Ques: Q: Joules and calories are the units of what? Choices: - weight and energy - mass and potential - heat and velocity - energy and heat A:
Ans:
energy and heat