If many humans feed at more than one trophic level, then what feed at more than one trophic level? Answer choices: - cows - tortoises - density - animals - humans - bananas - goats - stomach
humans

If extreme heat and pressure create Marble, then what can extreme heat pressure create? Answer choices: - movement - engines - warmth - mines - Marble. - an object - forces - sweating
Marble.

If each starfish arm contains part of the water vascular system, then where does a starfish have its water vascular system? Answer choices: - salt and water. - Chlorophyll - the environment - in its arms - on the rocks - in its eyes - Epidermis - in the ocean
in its arms