Ques: Q: What is the term for the decayed remains of living organisms? Choices: - waste - necrosis - intermediate material - humus A:
Ans: humus

Ques: Q: What are xylem and phloem responsible for transporting to the cells of leaves? Choices: - air and dirt - water and blood - light and gas - water and minerals A:
Ans: water and minerals

Ques: Q: What do you call large, y-shaped proteins that recognize and bind to antigens? Choices: - proteins - membranes - parasites - antibodies A:
Ans: antibodies

Ques: Q: What does the human heart do? Choices: - destroy blood - use blood - make blood - pump blood A:
Ans:
pump blood