DDT
Whooping Cranes
Terms and Definitions
Bald Eagles
Free for All
100
What is DDT? Name one pest, or type of pest, that DDT was used to control?
A chemical pesticide used to kill pests.
Mosquitos, lice, and other insects
100
Describe what a whooping crane is with as much detail as you can.
One of north america's largest bird species. It is white, has a long beak, and long legs.
100
Define the word 'Extinct'.
A species that has died out and is no longer found alive on earth
100
Why were Bald Eagles severely endangered?
DDT caused their eggs to become weak and would break before chicks could hatch
100
Extinction is a natural process, true or false
True
200
What are the two reasons that DDT was used by humans to control pests?
1. Protect food crops from being eaten by insects
2. To kill insects that carry disease
200
Is the whooping crane endangered or extinct?
Endangered
200
Name of the term:
'An organism that is in danger of becoming extinct'
Endangered
200
Where are bald eagles making a come-back?
New Jersey
200
Why is it concerning if an animal becomes extinct? (page 2)
The entire food web can suffer/be affected
300
Why was DDT banned?
People realized that DDT does not break down in the environment and it caused the eggs of predatory birds to be very weak. Many bird species became endangered.
300
Why did whooping cranes start to die out (2 reasons)?
1. Their habitat was taken away by humans who wanted the land for farming
2. Over hunting
300
What is the term that describes animals that are born around and raised by humans?
Captivity
300
What are scientists tracking that helps us to know that bald eagles are making a come-back (page 15)?
The number of nests found in the area.
300
How many plant and animal species have gone extinct in the last century? (page 2)
More than 200
400
Name 2 predatory birds that became endangered because of DDT.
Bald Eagle
Osprey
Peregrine Falcon
400
How did humans get baby whooping cranes to eat in captivity?
They dressed in white jumpsuits and put a puppet on their arm that looked like an adult whooping crane. Then, they used the puppet to show the baby how to eat the food.
400
Define the term 'migration'
When organisms travel from one place to another every year.
400
How many nesting pairs were recorded in 2020 (Page 15)?
220
400
What are 2 alternatives to using pesticides (page 7)?
Traps
Other insects
Certain plants
Keeping your soil turned over
500
Explain in as much detail as you can what is happening in this picture. 
1. DDT is being sprayed on the trees to control the moths.
2.The worms eat the leaves that fall to the ground which are coated in DDT.
3.Then, the robins eat the worms with DDT in their bodies
4. The hawk eats the robin with DDT
5. DDT works up the food chain to the highest predator, getting more and more concentrated.
500
How many whooping cranes were left in the wild in 1964
50
500
This is the term given to places where animals are protected.
Sanctuaries
500
What can we learn about the success story of the bald eagle?
Wildlife conservation works
500
What insect carries the disease Malaria?
Mosquito