A root's four major functions are 1) absorption of water and inorganic nutrients, 2) anchoring of the plant body to the ground, and supporting it, 3) storage of food and nutrients, 4) vegetative reproduction and competition with other plants
Hydrogen breath test
Milk tolerance test
Small bowel biopsy
Lactose tolerance test
These are the most important 6 biomes:
1. Freshwater
<span>2. Marine
</span>3. Desert
<span>4. Forest
5. Grassland
</span>6. Tundra<span>.</span>