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While some gardens are planted with food crops, many are planted for aesthetic, ornamental, or conservation purposes. Arboretums and botanical gardens are public collections of living plants. In private outdoor gardens, lawn grasses, shade trees, ornamental trees, shrubs, vines, herbaceous perennials and bedding plants are used.
Agriculture deals with the production of food crops, and has played a key role in the history of world civilizations. Agriculture includes agronomy for arable crops, horticulture for vegetables and fruit, and forestry for timber. [3] About 7,000 species of plant have been used for food, though most of today's food is derived from only 30 species.
In addition, climate change has caused challenges like early spring and late frosts, flooding, drought, and extreme heat, all of which effect fruit trees. Severe droughts and flooding affect the trees' growth, making them more susceptible to pests and diseases. Extreme heat can damage growing fruit directly on the tree. [6]
The shoots typically bear leaves, which capture light energy and convert it into sugars by photosynthesis, providing the food for the tree's growth and development. Trees usually reproduce using seeds. Flowering plants have their seeds inside fruits, while conifers carry their seeds in cones, and tree ferns produce spores instead.
Some trees can live 1,000 years providing many services to humans. Help to protect people from floods and droughts. Primary Tropical Forests: 471 billion tonnes (more than all CO2 emissions from fossil fuel industry from the year 1750) Contain about two thirds of all species of terrestrial animals and plants. Creates clouds, rainfall.
Forest provides timber for humans, food, water and shelter for the flora and fauna tribes and animals. The nutrient cycle between organisms forms food chains and fosters a biodiversity of species. The Carson Fall in Mount Kinabalu, Malaysia is an example of undisturbed natural resources. Waterfalls provide spring water for humans, animals and ...
Check out the video above to discover the staggering statistics of the average human consumption throughout a lifetime. Image Credit: Getty Images Show comments
This article contains a list of useful plants, meaning a plant that has been or can be co-opted by humans to fulfill a particular need. Rather than listing all plants on one page, this page instead collects the lists and categories for the different ways in which a plant can be used; some plants may fall into several of the categories or lists ...