How are the two variables, bird survival and beak size, related?
a. overall, birds with smaller beak size had a lower percent of surviving.
b. the population increased.
c. overall, birds with larger beak size had a lower percent of surviving.
d. overall, there is no correlation with beak size and survival.

Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems

Adding more tributaries to a local river basin can have what effect?

1. you serve a volleyball with a mass of 2.1 kg. the ball leaves your hand with a speed of 30 m/s. the ball has energy. calculate it. 2. a baby carriage is sitting at the top of a hill that is 21 m high. the carriage with the baby weighs 12 n. the carriage has energy. calculate it. 3. a car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. the car has . calculate it.