input with options: Q: What is the biggest group of animals on the planet? A:
OPTIONS:
- herbivores
- mammles
- carnivores
- arthropods
output: arthropods

Q: Q: Although they are as different as deserts and wetlands, all of these ecosystem units have populations of interacting species? A:

OPTIONS:
- corals
- continents
- zoos
- biomes

A: biomes

input: OPTIONS:
- nucleus
- membranes
- larvae
- bark Now, answer this question: Q: What are all tissues external to the vascular cambium called? A:
A:
output: bark

Q: During the embryonic stage of vertebrates, the notochord develops into what? A:

OPTIONS:
- rib cage
- umbilical cord
- brain stem
- backbone

Answer: backbone

Problem: OPTIONS:
- temperature
- salinity
- animal species
- water depth
Q: Q: Oceans are divided into zones bases on distance from shore and what other factor? A:
Answer: water depth

Q: When something is described as "hydrophilic", you can determine something about how it interacts with what? A:

OPTIONS:
- hydrogen
- air
- iron
- water

Answer:
water