Ques: Q: Evolving from a single common ancestor, what group of organisms was perhaps the dominant life form on earth 250 million years ago? Choices: - acids - atoms - proteins - fungi A:
Ans: fungi

Ques: Q: Sympatric type of what occurs when a single population of organisms splits into two reproductively isolated communities within the same physical region? Choices: - biodiversity - extraction - accumulation - speciation A:
Ans: speciation

Ques: Q: Mineralocorticoids are hormones synthesized by the adrenal cortex that affect what balance, by regulating sodium and water levels? Choices: - blood pressure - homeostasis - equilibrium - osmotic A:
Ans: osmotic

Ques: Q: What is the term for nutrients the body needs in relatively small amounts, including vitamins and minerals? Choices: - minor nutrients - insignificant nutrients - trace nutrients - micronutrients A:
Ans:
micronutrients