Tuesday, July 14, 2009

Help me with bio plz?

1) Which experimental procedure would best determine the effectiveness of a vaccine for preventing a certain disease in pigeons?


a) inoculate 50 piegons with the vaccine and 50 pigeons with a harmless solution and then expose all 100 pigeons to the disease.


b) Inoculate 10 pigeons with the vaccine and 90 pigeons with a harmless solution and then expose all 100 pigeons to the disease.


c) expose 100 pigeons to the disease and then inoculate 50 of these pigeons with the vaccine.


d) expose 100 pigeons to the disease and then inoculate all 100 pigeons with the vaccine.





2) wat is the nature of living systems to exist as linked parts rather than isolated individuals?


a) homeostasis


b) reproduction and inheritance


c) growth and development


d) interaction with environment


e) evolution and adaption


f) use of energy and matter


3) when an individual goes without eating for a day, his blood sugar level remains about the same throughout the day. wat is the relatively constant condition

Help me with bio plz?
1) A


2) E


3) homeostasis





i think theyre right. study up next time!
Reply:1. a 2.a
Reply:wow... in the time you spent posting this you could have actually made a solid attempt on your OWN DAMN HOMEWORK
Reply:2 f





3 really?


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