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13 Dec 2019

Nitrogen fixing bacteria live in the roots of some species of plants. The bacteria transform nitrogen into a form readily useable by the plants and receive a stable place to live and food. This is an example of

a.mutualism

b.predation

c.herbivory

d.parasitism

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Patrina Schowalter
Patrina SchowalterLv2
17 Dec 2019
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Related questions

Nitrogen is an important element in DNA and proteins; however,atmospheric nitrogen is the only source of this

element for life on Earth and it cannot be absorbed byeukaryotes. As a result, nitrogen? fixing bacteria species,

such as Rhizobia, live in a mutualistic relationshipwith plants like legumes. These species of bacteria are

obligate aerobes.

a. Explain what is meant by the term

All plants require nitrogen in forms they can absorb through their roots, and that accessible nitrogen is provided by certain soil bacteria. In fact, most soil nitrogen comes from bacterial activity.While many plants rely on the activity of free-living soil bacteria for ammonium ions () and nitrate ions (), some plants form extremely close symbiotic relationships with nitrogen-fixing bacteria. For example, Rhizobium bacteria (one type of nitrogen-fixing bacteria) take up residence inside the root cells of legume plants, which include peas, soybeans, and clover. In this activity, you will indicate how the legumes and the Rhizobium bacteria are affected by this symbiosis.Drag each phrase to the appropriate bin. If the phrase applies to both plants and bacteria in the legume-Rhizobium relationship, drag it to the "both" bin. If the statement applies to neither plants nor bacteria in the legume-Rhizobium relationship, drag it to the "neither" bin. Note that a bin may remain empty.

"Helps fix nitrogen in soil. Boost pea and bean yields with Garden Soil Inoculant. Simply shake granules into furrows as you plant. It contains nitrogen-fixing bacteria to promote stronger root systems and larger harvests. Easy-to-use sprinkler top makes application a snap. 8.7-oz. container treats a 150' row." This product is recommended for growing plants such as beans and peas, for all of the following reasons EXCEPT: These plants can convert nitrogen gas to ammonia

These plants can convert nitrogen gas to ammonia

These plants form symbiotic relationships with bacteria in the product.

These plants are legumes.

These plants produce root nodules that harbor bacteria.

Molecular nitrogen (nitrogen gas) makes up 78% of the Earth’s atmosphere, but is unavailable for use by all organisms except for some nitrogen-fixing ____. (Choose all correct answers.)

bacteria

cyanobacteria

eukaryotes

prokaryotes

fungi

Protists

Nitrogen gas is a chemically inert molecule. The prokaryotes that fix-nitrogen produce the enzyme nitrogenase. What does this enzyme do that allows these organisms to use nitrogen gas? (Hint: You might want to consult a chemistry book to help you with this answer.)

In biological nitrogen fixation (N2, ammonia, hydrogen, oxygen), is (Reduced, oxidized) when it accepts atoms, resulting in the production of (nitrogen gas, nitrate, water, ammonia ) .

Legumes produce (nitrogen, nitrogenase, lehemoglobin,oxygen ,bacteria) , which regulates the amount of (nitrogen, nitrogenase, lehemoglobin,oxygen ,bacteria) present in the root nodule so (nitrogen, nitrogenase, lehemoglobin,oxygen ,bacteria) activity is not inhibited.

Humans and other animals acquire their nitrogen from which of the following? (Choose all correct answers.)

protein from animals that eat other animals

protein from animals that eat plants

plant protein

protein from legumes

The nitrogen sources used by humans are (organic, inorganic) componds, while nitrogen gas is an (organic, inorganic) compound.

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