Based or the food web,correctly predict how changes in the number of a certain species affects the balance of the ecosystem. Cho
ose each correct sentence.
If the number of rabbits increased, the number of the grasshopper increases.
If the number of hawks increased, then number of grasshopper increases.
If the number of rabbits increased, the number of insect-eating birds decreases.
If number of hawks increased, amount of grass increases.
If the number of snakes Increased, the number of rabbits decreases.
If the number of insect-eating birds decreased, the amount of grass increases.
If the number of rabbits increased, the number of the grasshopper increases.
If the number of hawks increased, then number of grasshopper increases.
If the number of rabbits increased, the number of insect-eating birds decreases.
If number of hawks increased, amount of grass increases.
If the number of snakes Increased, the number of rabbits decreases.
If the number of insect-eating birds decreased, the amount of grass increases.
1 answer:
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Answer:
to find percentage decrease you need to do:
× 100 = percentage decrease
final number equals the number of measle deaths in 2011
initial number is deaths in 1990
hope that helps