Problem: OPTIONS:
- antibodies
- acids
- saliva
- hormones
Q: Q: The endocrine system consists of cells, tissues, and organs that secrete what critical to homeostasis? A:
Answer: hormones

Problem:OPTIONS:
- boiling
- steaming
- transpiration
- melting

Q: Processes in which matter changes between liquid and solid states are freezing and? A:
****
A: melting

Q: Macrophages, which can swallow and destroy old and dying cells, bacteria, or viruses, are large types of what cells? A:
OPTIONS:
- red blood cells
- white brain cells
- dendritic cells
- white blood cells
white blood cells

Q: What is the least dangerous radioactive decay? A:
OPTIONS:
- beta decay
- gamma decay
- zeta decay
- alpha decay

Answer: alpha decay

Question: Q: A major step in animal evolution was the evolution of what rigid rod that runs the length of the body? A:
OPTIONS:
- limbic system
- endoderm
- mitochondria
- notochord
Answer: notochord

input: OPTIONS:
- conifers
- mammals
- aviators
- archosaurs Now, answer this question: Q: Birds belong to a group of diapsids called the what? A:
A:
output:
archosaurs