.Answer:
Option A, fix nitrogen inside nodules on the roots of legumes
Explanation:
Rizhobium bacteria live in symbiotic relationship with roots of leguminous plants such as pulses including alfalfa, soybean etc.
Rhizobium or Bradyrhizobium is a gram negative bacteria that satisfies the nitrogen starvation of host plant.
These bacteria get habitation and nutrition from these leguminous plants and in return they fix the nitrogen into the nodules of the roots. This is a kind of facultative association between soil bacteria rizhobium and legume plants.
Hence, option A is correct
Thus, option A is correct
Answer:
Pollen from a plant is a biotic factor.
Explanation:
The reason why pollen is a biotic factor is because the pollen has life and it is basically a living cell which can give life to a flower.
Answer:a
Explanation: they are at the top
Answer:
Description of the rocks coloring
Explanation:
Description of the rocks coloring is an example of qualitative, rather than quantitative, data.
Hope this helped :)
Answer:
10,000 years
Explanation:
Fossils are defined as the remains or traces of organisms that died more than 10,000 years ago, therefore, by definition the minimum time it takes to make a fossil is 10,000 years. But, that is just an arbitrary line in the sand – it means very little in terms of the fossilisation process.
