Table of Contents
What are organisms that are not producers?
A consumer, also called a heterotroph, is an organism that cannot make its own food. It must eat producers or other organisms for energy. All animals are consumers. A few protists and a very few exotic plants are also consumers.
What is another name for organisms which are producers?
Another name for producers is autotrophs, which means “self-nourishers.” There are two kinds of autotrophs. The most common are photoautotrophs—producers that carry out photosynthesis. Trees, grasses, and shrubs are the most important terrestrial photoautotrophs.
What are food webs explain?
A food web consists of all the food chains in a single ecosystem. Each food chain is one possible path that energy and nutrients may take as they move through the ecosystem. All of the interconnected and overlapping food chains in an ecosystem make up a food web.
Which is an example of a chemical substance needed by living organisms?
What term describes chemical substances such as carbon, hydrogen, and oxygen that are required in large quantities by cells? Living organisms obtain nutrients from ________ sources. Examples of _______ nutrients include magnesium sulfate, ferric nitrate, sodium phosphate, carbon dioxide, and water.
What is the acquisition of chemical substances by organisms?
______ is the acquisition of chemical substances by organisms for use as an energy source or as building blocks of cellular structures. ____________ are chemical substances, such as sugars or amino acids, that are required in large quantities by cells.
What kind of molecules are produced by living things?
Molecules that contain a basic framework of carbon and hydrogen and are nearly always produced by living things are called ______ nutrients. What term describes chemical substances such as carbon, hydrogen, and oxygen that are required in large quantities by cells?
What are the organisms that require organic compounds?
Organisms that require organic compounds for their carbon and energy needs are known as: phototroph autotrophs heterotrophs lithotrophs