0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
Can plants absorb nitrogen compounds from soil on their own?
Yes. Vascular plants can absorb nitrogen compounds such as nitrates from the soil on their own.What plants can't do on their own is fix nitrogen from the air into nitrogen compounds. Some plants including legumes (such as peas, beans, lupins) and casuarinas form symbioses with nitrogen-fixing bacteria to form nitrogen into nitrogen compounds.
How do root nodules form?
Leguminous plants like pea and soya bean have the nitrogen fixing bacteria Rhizobium in their root nodules. The nitrogen fixed by this bacteria are taken up by herbivores which eat the palnts and then to carnivores which eat herbivores.
What is common term for fungi that form symbioses in plant roots?
Mycorrhizae
What can convert nitrogen in the air into a form plants can use?
Nitrogen fixing bacteria along and on the roots of plants converts gaseous nitrogen into a form that plants can absorb.
What transforms nitrogen into a useable form for plants?
Bacteria
Does bacteria convert nitrogen from the air into a form plants can use?
Nitrogen-Fixing bacteria. aka Rhizobium
When there is not enough nitrogen in the atmosphere for plants how do the plants get it?
Plants do not actually get their nitrogen from the atmosphere. They get it in compounds in the soil through their roots. Some plants form symbiotic relationships with bacteria in the soil. The bacteria draw nitrogen from the air and form nitrogen compounds. The plants can then use the nitrogen.
What is the relationship between bacteria and plants?
Plants need nitrogen to grow. They are surrounded by nitrogen in the air, but it is not in a form the plants can use. Nitrogen fixing bacteria on the roots of the plant convert (fix) the airborne nitrogen to a form the plants can use to grow.
Why is rhizobi a helpful bacteria?
Rhizobia are known as nitrogen fixation bacteria. Nitrogen is an essential element for plants and it is plentiful in the atmosphere but in a form that is inaccessible to plants. Rhizobia can convert atmospheric nitrogen into a form that plants can uptake through their roots.
Which gas is changed into a useful form for the plants by the bacteria in the soil?
Nitrogen
What changes nitrogen into a form that can be used by plants?
Nitrogen-fixing bacteria
What kind of organism converts nitrogen into a usable form of plants?
Bacteria
