Q: What type of engineers influence community structure through their effects on the physical environment? Choices: - electrical engineers - civil engineers - mechanical engineers - ecosystem engineers A:
ecosystem engineers

Q: Introduction genetics is the study of what? Choices: - biology - variability - obesity - heredity A:
heredity

Q: Q: Which is the best way to maintain a strong, fit body? Choices: - bodybuilding - regular exercising - being a vegetarian - a healthy diet A:
A: a healthy diet

Question: Q: Elements that do not need to conduct electricity are known as what? Choices: - alloys - carbonates - silicates - nonmetals A:
Answer: nonmetals

*Question*
Q: What substances digest the food in the vacuole of an ingestive protist? Choices: - carbohydrates - lipids - hormones - enzymes A:
**Answer**
enzymes

Q: Q: During which phase do sister chromatids separate and the centromeres divide? Choices: - cell phase - gap cycle - passivation - anaphase A:
A: anaphase