By: Sammy Stein
To understand why plants and trees have sap, you first need to understand what sap is.All plants possess a vascular system consisting of phloem and xylem vessels. Xylem vessels are dead tissue and are elongated cells, which transport water and dissolved minerals (plants can...
Is the Human Race Evolving or Devolving
By: Shona Klocke
Evolution as we understand it is based on Darwin's notion of "survival of the fittest". Variation creates new characteristics, and if these characteristics are favourable they allow the bearer a greater chance of surviving or procreating. If they are detrimental, the individual falls victim to...
By: Lime Green Sphere
As you may already know, maple trees are not a single species, as there are approximately 125 different species of maples that thrive throughout the Northern Hemisphere. Many maples are endemic to North America, and are often used to complement garden landscapes. In the past...
By: Lime Green Sphere
As you may already know, willow trees are not a single species, as there are approximately 400 different species of willows that thrive throughout the Northern Hemisphere. Many willows are endemic to North America, and are often used to complement garden landscapes. In the past...
By: Lime Green Sphere
As you may already know, oak trees are not a single species, as there are approximately 80 different species of oaks that thrive throughout the Northern (and even Southern) Hemisphere. Many oaks are endemic to North America, and are often used to complement garden landscapes...
By: Lime Green Sphere
Today, chemotherapy treatments use a chemical derived from the Western Yew. This important function of the Western Yew is threatened today as Western Yew populations continue to decline and harvesting of the species is widely prohibited. In its place, similar yew species are being collected...
By: Lime Green Sphere
You may very well have a juniper in your own backyard! Common Juniper is often used as an ornamental shrub in contemporary landscapes. In the past, Native peoples of North America used Junipers both for nourishment and medicinal purposes.Range:Throughout the cool temperate Northern Hemisphere...
By: Lime Green Sphere
Trembling Aspens thrive in Arctic and sub-Arctic regions. Today, Trembling Aspens are a principal source of pulp and paper products. In the past, Native peoples of North America used Trembling Aspens both for nourishment and medicinal purposes.(Please note that this article is intended to...
By: Lime Green Sphere
Blueberries are a popular summer treat. They are endemic to North America, and are often used to complement garden landscapes. The berries and flowers add an accent and fall colors of this plant are beautiful. In the past, Native peoples of North America used blueberry...
By: Lime Green Sphere
Oregon Grapes are endemic to North America, and are often used to complement garden landscapes. These unique plants have spiny leaves and interesting grape-like clusters of berries. In the past, Native peoples of North America used Oregon grapes both for nourishment and medicinal purposes.Range:"Oregon-grape...

 

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