When the sea otters population declined, the kelp beds where eaten rapidly by sea urchins, removing most of the kelp. This is because: * 1 point
the carrying capacity for sea urchins had not yet been reached
the carrying capacity for sea urchins had been reached
the sea urchins were a keystone species
kelp was not important in this ecosystem

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

Is a fossil fem that support wegener's hypothesis of continental drift a. gondwanded b. kannemerid c. mesosaurus d. glossopters

Mike wants to negatively charge a small rubber ball. which of these methods would successfully charge the ball? a) heating the ball in boiling water b) running the ball over a strong magnet c) rubbing the ball back and forth on carpet d) dropping the ball from a tall bulding submit hint forces in nature (s8p5.b) conductors and insulators id: 10402 hint electrons must be transferred.