Read information about the west nile virus and it's effect on the bird population in the state you live in . if your state has not been effected yet choose another state has . in tour state how many birds have tested positive for the west nile virus ? estimate what percentage of the total resident bird population this number represents. in california
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Biology, 22.06.2019 11:00
Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?
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Biology, 22.06.2019 13:00
Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land
Answers: 1
Biology, 22.06.2019 19:50
Which statements explains what the fossil records indicates? check all that apply. a) earth is 4.5 billion years old b) many organisms have become extinct c) mammals have always existed on earth d) mass extinctions have occurred several times on earth e) the amount of water on earth has decreased over time?
Answers: 2
Read information about the west nile virus and it's effect on the bird population in the state you l...
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