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What is the initial food source for most terrestrial ecosystems?
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What is the ecological and economical importance of angiosperms?
Angiosperms are of economic importance because: In most terrestrial ecosystems, angiosperms account for most of the photosynthetic conversion of radiant energy into chemical energy. Angiosperms thus form the basis for most terrestrial food chains. The vast majority of our food comes directly or indirectly from angiosperms. For example:- all cereal grains and most vegetables, fruits, and nuts are obtained from angiosperms,- most spices are obtained from angiosperms, and- most non-alcoholic and alcoholic beverages are made from angiosperms. Many angiosperms produce chemicals with significant medicinal properties. Other angiosperms produce chemicals with significant effects on the human central nervous system
Why is it not a good idea diverting rivers?
Diverting a river's flow can cause destruction of ecosystems, as ecosystems that depend on the river for water, food, habitat, and migration could be severely disrupted and the plants and animals that reside there to die.
What is the source of the electrical energy in the brain?
food
What are some ways people benefit from healthy ecosystems?
Healthy ecosystems mean healthy people. A healthy ecosystem is productive and has abundant clean water. People have fewer diseases in a healthy ecosystem. They have more food when the ecosystem is healthy.
Why is there a need to have alternative food source?
so we dont die
What is the initial source of food in most ocean and freshwater ecosystems?
Phytoplankton.
What are the producers in a terrestrial ecosystem Aquatic ecosystem?
Plants make up the majority of production in terrestrial ecosystems.
Why marine food chain can have more than 5 trophic levels?
food webs ... and because in marine ecosystems, there are phytoplankton as well. These microorggansims are not apparant in terrestrial food chains
what is the source of all the food in the ecosystems?
The Sun and in the case of deep sea vents, the heat and chemicals from Earth's interior.
Source of all energy for living system?
The sun is the ultimate source of all energy in Earth's ecosystems.
Why are ecosystems important to the earth?
Protists are important to the earth's ecosystems because they were the first complex life on earth, provide as a food source to many living things, and help clean large bodies of water.
What role do chemosynthetic bacteria play in deep-sea volcanic-vent ecosystems?
It serves as a food source to organisms in the deep water
Why is fish a popular choice of food in japan?
Japan is an island nation. As such, it is far more abundant and easily acquired food source than most terrestrial creatures.
How do mosquitoes affect ecosystems?
Mosquitoes are important in the ecosystems as they are an important food source for organisms such as tree frogs, lizards, snakes, fish, birds, bats and arthropods including dragonflies and Spiders. The mosquito larvae are also important food for fish and other predatory aquatic organisms.
What is terrestrial food chain?
food chain on land
How do ecosystems work?
the food chain
What are the sources pf energy and thus growth for animals?
The sun is the initial (primary) energy source for life. Ingestion and digestion of a food source is an animal's primary source of energy.
