Afarmer found that caterpillars were eating his corn. he sprayed his field with pesticide to kill them. for the first three years this treatment worked well, leaving only a few caterpillars in the field. based on what is known about natural selection, what can he expect in succeeding years if he continues to use the same pesticide? (2 points)

the caterpillar population will develop resistance to the pesticide if any of them survived it because they were genetically different from the rest.
the caterpillar population will remain at very low levels every year the pesticide is applied since it keeps them from reproducing well.
the caterpillar population will continue to be successfully controlled by the pesticide indefinitely since it has worked for three years.
the caterpillar population will eventually be exterminated completely and it will likely become extinct. need

Consider the motion of the balloon and its air contents in terms of momentum. in step 1 above, the total momentum of the balloon and its contents was zero. recall that momentum = mv. both the balloon and the air inside it had a velocity of zero and therefore the total momentum was zero. now think about what happened when the air escaped from the balloon. a certain mass of air accelerated in one direction. in order to keep the total momentum of the system zero, the balloon itself (which has mass) had to accelerate in the opposite direction. use this scenario to you explain why the soda can rotates when the water squirts out of the escape holes. what was your hypothesis concerning the water-filled can? according to your data, do you think your hypothesis was correct? (be sure to refer to your data when answering this question.) summarize any difficulties or problems you had in performing the experiment that might have affected the results. describe how you might change the procedure to avoid these problems. give at least one more example of newton's third law in everyday life.

Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy  ´    ´    ´    ´  yy

Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled