Q: The most important characteristic of extant amphibians is a moist, permeable skin used for this? Choices: - benign respiration - simple respiration - avian respiration - cutaneous respiration A:
cutaneous respiration

(Question)
Q: What kind of bond consists of one sigma bond and one pi bond? Choices: - beta bond - covalent bond - ionic bond - double bond A:
(Answer)
double bond

Ques: Q: What is stored and concentrated in the gallbladder? Choices: - calcium - oxygen - insulin - bile A:
Ans: bile

(Q).
Q: What are structures that have a common function and suggest common ancestry? Choices: - reversible structures - analogous structures - monogamous structures - homologous structures A:
(A).
homologous structures

Ques:Q: Chloroplasts, leucoplasts and chromoplasts are found in what type of cells? Choices: - nitrogen cells - animal cells - man-made cells - plant cells A:

Ans:plant cells

Ques: Q: What property of ocean water increases rapidly as the water gets deeper? Choices: - visability - speed - salt content - pressure A:
Ans:
pressure