"WardsSci000212"

It's easy to grow plants

Various grasses allow you to compare plant anatomy, and examine why some grasses are viable economic crops. Rapidly growing types are great for testing environmental factors and how they influence growth.

Conifers come in all shapes and sizes — and so do their cones.
Includes: 6 pine cones, 6 spruce cones and 6 cedar cones.
*Pine cone factoid: Pine cones can forecast the weather! In dry weather, the scales dry up and open out. If they start to close up, wet weather is coming!