Ques: Q: What basic structures are called the building blocks of life and comprise all living things? Choices: - pigments - seeds - lipids - cells A:
Ans: cells

Ques: Q: Name what nutrient cycling is strongly regulated by. Choices: - elevation - abundance - sunlight - vegetation A:
Ans: vegetation

Ques: Q: In eukaryotes, the major mechanism for shuffling genes is what? Choices: - suggesting reproduction - subject reproduction - asexual reproduction - sexual reproduction A:
Ans: sexual reproduction

Ques: Q: What are specialized cells that are capable of sending electrical as well as chemical signals? Choices: - hormones - ions - enzymes - neurons A:
Ans:
neurons