Q: What is never lost and just changes forms? Choices: - life - food - fuel - energy A:
energy

Q: Which type of animal creates useful substances such as honey, wax, lacquer, and silk? Choices: - fungus - bacteria - spiders - insects A:
insects

Q: Q: Acid rain is corrosive rain caused by rainwater falling to the ground through which gas? Choices: - sulfide dioxide - carbon dioxide - essential dioxide - sulfur dioxide A:
A: sulfur dioxide

Question: Q: Vascular plants evolved what basic structures to collect sunlight? Choices: - flowers - stems - roots - leaves A:
Answer: leaves

*Question*
Q: What natural process allows water to return again to the earth's surface? Choices: - erosion - currents - wind - precipitation A:
**Answer**
precipitation

*Question*
Q: Many deleterious alleles have such severe effects that a homozygous embryo spontaneously aborts long before what? Choices: - baby - couple - LIfe - birth A:
**Answer**
birth