Q: What is the hormone produced in high-stress situations? Choices: - testosterone - thyroxine - somatostatin - adrenalin A:
adrenalin

(Question)
Q: If an electric current passes through water, water molecules break down into molecules of what? Choices: - carbon and oxygen - hydrogen and carbon - oxygen and methane - hydrogen and oxygen A:
(Answer)
hydrogen and oxygen

Ques: Q: Terrestrial and aquatic are the two basic categories of what, on earth? Choices: - substrates - atmospheres - dendrites - biomes A:
Ans: biomes

(Q).
Q: Some terrestrial species breathe through their skin and oral cavity because they lack what? Choices: - windpipe - nose - mouth - lungs A:
(A).
lungs

Ques:Q: Chitin is a substance that is found in what part of animals like beetles and lobsters? Choices: - brains - tails - eggs - shell A:

Ans:shell

Q: What term is used to describe animals with three germ layers? Choices: - sporozoans - triplegerm - multilayer - triploblasts A:
triploblasts