Concept explainers
To correct: The given sentence by replacing the italicized word with a correct vocabulary term.
Introduction: Energy is transformed into usable forms to support the functions of ecosystem. So, a constant supply of energy is needed for the biosphere. This energy is obtained through various nutrients. Plants obtain the nutrients from soil, water and air which are then converted to various organic compounds. The nutrients flow through different organisms in the ecosystem.
Answer to Problem 27A
Nutrient
Explanation of Solution
Given information: The following statement is given.
Because nitrogen is required for growth, it is considered an essential nitrate.
A nutrient is a chemical substance that an organism must obtain from its surroundings to sustain life and undergo many life processes. The bodies of all organisms are built from water and nutrients such as carbon, nitrogen and phosphorus. Nitrogen is an essential nutrient as it is needed for growth and development of bodies. It is the basic raw material for making proteins. Plants and animals need nitrogen to make proteins.
Essential nutrients are cycled through biogeochemical cycles.
Chapter 2 Solutions
Biology Illinois Edition (Glencoe Science)
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