Question

How do plants absorb nitrogen, a vital component for making amino acids?(1 point)
Responses

Through photosynthesis
Through photosynthesis

Through the soil
Through the soil

Through cellular respiration
Through cellular respiration

Through nitrogen fixation

Answer 1

Plants absorb nitrogen primarily **through the soil**. They take up nitrogen in the form of nitrates (NO3-) or ammonium (NH4+) that are present in the soil, which are essential for the synthesis of amino acids and other vital compounds.