Table of contents
chapter 1 review
solving problems
section 1.1
1. you want to find out whether the birds near your school prefer thistle
seed or sunflower seed. you have a bag of thistle seed, a bag of
sunflower seed, and two bird feeders. describe the experiment you
would do to see which type of seed birds prefer. wnte down your
question, your hypothesis, and the procedure you would follow when
doing your experiment.

Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?

If your blood becomes too concentrated with iona, what will happen to the red blood cells

Fruit bats in central america eat bananas and other fruits. banana plants rely on bats for pollination. what would be the most likely consequence on the banana crop if fruit bats were eliminated from the area? the banana crop would increase because bats would stop eating the crops. the banana crop would decrease because bats would no longer pollinate the crops. the banana crop would remain constant because bees would replace the bats. the banana crop would remain constant because the plants would adapt using asexual reproduction.