Which trait is most likely to be acted on by natural selection?
A.
the knowledge that a person learns in school
B
the tricks a dog knows how to perform
C
the length of bird's beak
D
the size of a weightlifter's arm muscles

Could someone me with number one you

Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?

Which of the following words best matches this definition: the process in which the best adapted organisms survive and pass on their traits, while those that are not well adapted do not survive to pass on their traits. question 3 options: acquired selection natural selection artificial selection organic selection