Q: Producers at the base of ecological food webs are also known as? Choices: - endoscopic - symbiotic - mutualistic - autotrophic A:
autotrophic

Q: What molecule is used for most energy functions in organisms? Choices: - DNA or deoxyribonucleic acid - RNA or ribonucleic acid - ADP or Adenosine Diphosphate - atp or adenozine triphosphate A:
atp or adenozine triphosphate

Q: Q: The sun and all objects held by it's gravity make up the? Choices: - milky way - planet - atmosphere - solar system A:
A: solar system

Question: Q: What process is magnesium important to? Choices: - dna replication - carbon cycle - absorption - photosynthetic A:
Answer: photosynthetic

*Question*
Q: What is an alloy of copper and tin? Choices: - zinc - gold - silver - bronze A:
**Answer**
bronze

*Question*
Q: What do you call elements that contain only atoms of one type of element? Choices: - typical elements - noble gases - reactive elements - native elements A:
**Answer**
native elements