Question: Q: Phylum chordata consists of two subphyla of invertebrates, as well as the hagfishes and what else? A:
OPTIONS:
- lipids
- organs
- cells
- vertebrates
Answer: vertebrates

Question: Q: What intensifies the response during homeostasis? A:
OPTIONS:
- pressure loops
- pure loops
- negative feedback loops
- positive feedback loops
Answer: positive feedback loops

Question: Q: Transporting blood is the main job of the heart and what? A:
OPTIONS:
- bones
- areolas
- lymphatic system
- blood vessels
Answer:
blood vessels