4. Grass - Caterpillar - Hedgehog - Fox 5. Caterpillar, Rabbit, Mouse. 6. Cougar and Fox. 7. Bacteria 8. The bird, hedgehog, Fox and cougar would be effected since the Hedgehogs and birds would soon die out due to the loss of their food. Once they die out, the cougar and Fox would have no predators left to eat.
