Crash Course: Ecology- links in the chain
1. in an ecosystem, energy means
2. The size and scope of an ecosystem has a lot to do with the amount of things like ____?
3. If a cricket has 1 calorie of energy, it needed to eat ____ calories of energy from lettuce or something.
4. Organisms only hold onto ____% of the energy they ingest.
5. It’s safest to eat ____ on the food chain.
6. Things higher on the food chains can higher lower concentration of toxics. (Circle one.)