Which one of the following statements is correct?
(a) Legumes fix nitrogen only through the
specialized bacteria that live in their roots.
(b) Legumes fix nitrogen independently of the
specialized bacteria that live in their roots.
(c) Legumes fix nitrogen only through specialized
bacteria that live in their leaves.
(d) Legumes are incapable of fixing nitrogen.
(a) Legumes fix nitrogen only through the
specialized bacteria that live in their roots.
(b) Legumes fix nitrogen independently of the
specialized bacteria that live in their roots.
(c) Legumes fix nitrogen only through specialized
bacteria that live in their leaves.
(d) Legumes are incapable of fixing nitrogen.