A diagram of a plant cell
A Styrofoam solar system made by a 6th-grade science student
A 3-D computer image of an atom
A data table from a plant-growth experiment
Birds have feathers of different colors.
There are only 400 Siberian Lynx left in the wild.
There are 75 different kinds of cells in the body.
There are over a million different species in the jungles of Africa.
Changes occurred over a short period of time.
The birds on different islands have different food sources.
Conscious decisions let certain finches survive.
Some finches nest on rocks.
Soil 1 and Soil 2 are the same
The fertilizer has a greater effect in Soil 1
The fertilizer has a greater effect in Soil 2
Soil 1 absorbed more fertilizer than Soil 2
Vegetation in the area would grow at a faster rate.
Vegetation in the area would grow at a slower rate.
Vegetation in the area would not be affected.
Vegetation in the area would find other nutrient sources.