input: OPTIONS:
- the tube
- the clump
- the epidermis
- the follicle Now, answer this question: Q: What nest of cells protect the egg as it matures in the ovary? A:
A:
output: the follicle

input: OPTIONS:
- photon channels
- ionic bonds
- passive transport
- ion channels Now, answer this question: Q: What facilitates the diffusion of ions across a membrane? A:
A:
output: ion channels

input: OPTIONS:
- oxygen
- fresh water
- algae
- seawater Now, answer this question: Q: A salt concentration of 32 percent is nearly ten times that of what abundant resource? A:
A:
output:
seawater