Q: When conditions deteriorate, hydras can reproduce sexually, forming resistant zygotes that remain dormant until when? Choices: - Hydras choose - Temperature rise - Spring - conditions improve A:
conditions improve

(Question)
Q: The name of which ion always comes first? Choices: - negative ions - similar ion - constant ion - positive ion A:
(Answer)
positive ion

Ques: Q: Glucagon and insulin are produced in what organ? Choices: - hypothalamus - thymus - thyroid - pancreas A:
Ans: pancreas

(Q).
Q: When the helium is gone, the stars become what? Choices: - comets - yellow dwarfs - red giants - white dwarfs A:
(A).
white dwarfs

Ques:Q: Where do lancelets live? Choices: - on land - riverbeds - deep sea caves - shallow ocean water A:

Ans:shallow ocean water

Question: Q: What is the sequence of elementary steps that together comprise an entire chemical reaction called? Choices: - reaction circle - mechanical mechanism - basic reaction - reaction mechanism A:
Answer:
reaction mechanism