Answer:
Nitrogen is taken up by plant roots and combined into organic substances in the plant, such as enzymes, proteins and chlorophyll. ... Plants use the nitrogen in the soil to grow. People and animals eat the plants; then animal and plant residues return nitrogen to the soil again, completing the cycle.
Explanation:
Gene flow does not promote speciation, whereas season of fertility, natural selection, and genetic drift do.
17 plant cells is the number of cells the student can see
The process of development of a seed into a new plant is also called the germination process.while the pollination is the process of seed dispersion.
Germination occur in favourable conditions including environmental condition like how deep seed is planted, water availability,sunlight and temperature
