Use the information and diagram to answer the following question. Animals need nitrates (NO2) to make proteins. Nitrogen (N2) is found in the air but is not in a form that animals can use. Through the nitrogen cycle, nitrogen from the atmosphere becomes nitrates. image Which of these functions of bacteria in the nitrogen cycle MOST directly impacts plants and animals in the food chain? A. Bacteria are important because they make nitrates that animals need. B. Bacteria are important because they change nitrogen into nitrates that animals need. C. Bacteria are important because they allow plant roots to absorb nitrates from the air. D. Bacteria are important because they decompose plant matter that competes with living plants for nitrates.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
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Use the information and diagram to answer the following question. Animals need nitrates (NO2) to make proteins. Nitrogen (N2) is found in the air but is not in a form that animals can use. Through the nitrogen cycle, nitrogen from the atmosphere becomes nitrates. image Which of these functions of bacteria in the nitrogen cycle MOST directly impacts plants and animals in the food chain? A. Bacteria are important because they make nitrates that animals need. B. Bacteria are important because they change nitrogen into nitrates that animals need. C. Bacteria are important because they allow plant roots to absorb nitrates from the air. D. Bacteria are important because they decompose plant matter that competes with living plants for nitrates.
Nitrogen Cycle
Atmospheric Nitrogen (N2)
(Free Nitrogen,
Not Fixed)
Animal Gets
Nitrates (NO2) by
Eating Plants
Plant
Nitrogen Fixation by
Matter
Bacteria on Roots
Changes Nitrogen (N2)
into Nitrates (NO2)
Animal
Waste
Decomposers
Plant Absorbs
Nitrates (NO2)
(Bacteria & Fungi)
from soil
Nitrates (NO2)
Transcribed Image Text:Nitrogen Cycle Atmospheric Nitrogen (N2) (Free Nitrogen, Not Fixed) Animal Gets Nitrates (NO2) by Eating Plants Plant Nitrogen Fixation by Matter Bacteria on Roots Changes Nitrogen (N2) into Nitrates (NO2) Animal Waste Decomposers Plant Absorbs Nitrates (NO2) (Bacteria & Fungi) from soil Nitrates (NO2)
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