The weaver birds from the african savanna exhibit a trade-off between risking starvation and being hunted by predators. as a result the birds that are of medium weight have the selective advantage and make up the majority of the population. which type of natural selection is at work here? directional selection disruptive selection stabilizing selection

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geological equipment to analyze the composition of rock?

What organs comprise the respiratory system of a bird

Grade 91.)the gravitational pull from the moon words).2.) what is the rate of gravitational 3.)if you drop a hammer, is it more likely to drop handle side down, head side down, or equal chance that it will land either way? why? 4.)a car moves 60km east and 90km west.a.) what is the distance the car traveled? b.) what is the car's displacement5.)what is the average velocity of a car that moved 60 km south in 3 hours? 6.) a car starts from rest and acceleration to 60 m/s over a time of 5 seconds. what is the acceleration of the car? 7.)what is the speed of an object at rest?