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16 Mar 2018
1)What happens when a population has eaten all of the available food?
The birth rate will increase
The death rate will increase and the number of offspring will decrease
More food will be found
Population growth will continue
2)Which of the following populations would be considered r-selected?
Opossums- They carry offspring in a pouch on the mothers body
Black Widow Spiders - they produce 1000s of offspring and few survive.
Mallard Ducks - They lay up to one dozen eggs and provide parental care of their chicks
Mammals - They produce few offspring and provide parental care
3) Most parasites kill their hosts. True or False
1)What happens when a population has eaten all of the available food?
The birth rate will increase |
The death rate will increase and the number of offspring will decrease |
More food will be found |
Population growth will continue |
2)Which of the following populations would be considered r-selected?
Opossums- They carry offspring in a pouch on the mothers body |
Black Widow Spiders - they produce 1000s of offspring and few survive. |
Mallard Ducks - They lay up to one dozen eggs and provide parental care of their chicks |
Mammals - They produce few offspring and provide parental care |
3) Most parasites kill their hosts. True or False
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1
watching
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Beverley SmithLv2
18 Mar 2018
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