Some roots have nodules that contain nitrogen-fixing bacteria. what would happen if these nodules were damaged or contained no bacteria?

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

How many cells are our body made of ? ♡