Q: How do parathyroid hormones react as a body ages? Choices: - use with age - decrease with age - help with age - increase with age A:
increase with age

(Question)
Q: The differing glycosidic linkages in starch and cellulose give the two molecules what kind of distinct shapes? Choices: - square - one-dimensional - diamond - three-dimensional A:
(Answer)
three-dimensional

Ques: Q: Through what does urine enter the bladder? Choices: - the enterocytes - the vas deferens - the tubules - the ureters A:
Ans: the ureters

(Q).
Q: What basic structure holds plants upright, bears leaves and other structures, and transports fluids between roots and leaves? Choices: - branches - flowers - leaves - stem A:
(A).
stem

Ques:Q: Ecosystem dynamics include more than the flow of energy and recycling of matter. ecosystems are also dynamic because they? Choices: - stay the same - recreate exactly alike - never move - change through time A:

Ans:change through time

Question: Q: What forms when water in the atmosphere condenses on dust particles suspended in the air? Choices: - hail - snow - wind - clouds A:
Answer:
clouds