Be sure you have a copy of the Student Guide to this lab before proceeding. In this lab, the three flocks of birds changed in numbers between generation 1 and generation 3. Why? Check all reasons. The amount of food available increased and decreased. If a flock’s beak type made it easier to pick up the available food, the flock grew. If a flock’s beak type made it harder to pick up the available food, the flock shru

The correct statements are:

Explanation:

Natural Selection: one of the mechanism of evolution, natural selection is the process in which a population of any living organism can adapt and change according to the environment. Organism that are more adapted to their environment have the tendency to survive and pass on their gene to the next generation.

So. if  a certain trait of an organism is adapted according to the environment, its population will thrive and increase in size by reproducing. Here in this case, if a flock's beak type of generation 1 make it easier for them to pick up food, they will eventually survive and reproduce( their generation will grow). However, if their beak type make them harder to pick up food, their flock will not be able to survive hence wont reproduce and their number will decrease.

B) If a flock’s beak type made it easier to pick up the  available food, the flock grew.

C) If a flock’s beak type made it harder to pick up the available food, the flock shrunk.

Explanation:

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answer: 45

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