Across
- 2. Process that breaks down food
- 5. Bonus point: From your notes on Jan. 24, what is the name of the structure on some insects and birds that allow them to suck juices from other organisms. This is a vocabulary word from the lecture and is not in the book.
- 7. A nerve cell that can receive and pass on information
- 8. An organized group of neurons
- 9. A sea star has a vascular system with fluid-filled ________ which allow it to move and grip surfaces.
Down
- 1. ________ respiration is how every cell in the body creates energy from oxygen and food.
- 3. Birds and earthworms store and soften food in this structure.
- 4. ________ is the movement of particles from an area of high concentration to low concentration.
- 6. To move, the snail contracts its muscular _______.
- 7. The system that receives information from the environments and coordinates a response