Level of life
Ecosystem
A community of living things together with its physical environment, linked by flows of energy and nutrients.
Moving pollen between flowers, often by animals, so plants can make seeds.Source: USDA Forest Service
Also called pollinators.
Level of life
A community of living things together with its physical environment, linked by flows of energy and nutrients.
Idea or model
Mendel's pea crosses showed that traits are inherited as separate units, giving predictable ratios such as 3 to 1.
The explanations on this page are our own summaries of these sources. Follow a link to read the original; if anything here disagrees with it, the original wins. How we choose and check sources.
USDA Forest Service. fs.usda.gov. U.S. Department of Agriculture, Forest Service.