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It did not improve their 'hatch-rate'.
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∙ 13y ago
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Why do the eagles and hawks show the effects of DDT?
Hangry
What caused bald eagles to be enangered?
from the bug killers DDT
How did bald eagles recover?
Elimination of the use of DDT as a pesticide.
How did DDT enter the food chain?
DDT entered the food chain because it was in the water of the fish that bald eagles ate.
How has DDT affect hormonal signaling in eagles and peregrine falcon's?
DDT is a powerful chemical that can kill living things. When farmers spray DDT on their farms, the rodents and other small mammals in the farms vicinity die. Spotting an easy meal, birds of prey like eagles, vultures etc pick them up. As a result, the chemical enters the birds body causing diseases and even death in most cases. DDT also causes the birds to lay eggs with very thin shells. The thin shelled eggs break easily and the embryo will die.
Why are bald eagles indangered?
The bald eagle was endangered because of the use of DDT it weakened the shell of the eagles and they would break so the babies could not develop. DDT almost destroyed the bald eagle. Now since DDT has been banned the Bald eagle has made a great comeback.
What is one of the diseases that makes bald eagles die?
DDT was a pesticide that was used to kill bugs on farms. But when pretadors of those bugs were eaten by other predators the level of DDT rose and made the Bald Eagles egg shells very thin and usually the bald eagle would die. DDT is now outlawed, but the levels of DDT are still in fish and insects.
Did DDT affect song birds?
no!
What trophic level is most affected by environmental toxins such as DDT?
The answer is top predators.
Why are eagles dying?
from things like ddt, humans cutting down trees and pollution
Why did ddt only affect to carnivores?
Not true. Birds have been affected by DDT and so have fish.
How did the bald eagle die out?
DDT caused eggshells to be too brittle to hatch, and the eagles numbers plummeted..With the banning of DDT the population has rebounded to a point where they are no longer endangered.
