Q: What advantage do sea stars gain from having radial symmetry?

OPTIONS:
- They reproduce at a faster rate.
- They digest food more efficiently.
- They move quickly along the ground.
- They sense predators and potential food from all directions.
A: They sense predators and potential food from all directions.
Q: When cold weather freezes water in the cracks of rocks, which would most likely happen?

OPTIONS:
- The rocks would become rounded.
- The rocks would be used for shelter.
- The rocks would be moved by the wind.
- The rocks would break into smaller pieces.
A: The rocks would break into smaller pieces.
Q: Which of the following helps the leaves break down after they have fallen off the tree?

OPTIONS:
- meat-eaters
- rocks
- decomposers
- cold temperatures
A: decomposers
Q: The gravitational force between two objects depends on the distance between the objects and each object's

OPTIONS:
- mass
- volume
- pressure
- temperature
A:
mass