C. living things respond to stimuli in the environment
<span>At the top of plant shoots or roots of plants is an organism called meristem. This organism produces auxin, which causes the shoot or root to grow. This shows that by pinching off the tops of the plants, it makes them grow more.</span>
Soil particles vary greatly in size, and soil scientists classify soil particles into sand, silt, and clay. Starting with the finest, clay particles are smaller than 0.002 mm in diameter. Some clay particles are so small that ordinary microscopes do not show them. Silt particles are from 0.002 to 0.05 mm in diameter.
Answer:
1. to increase meiosis.
2. to make more efficient cell organelles.
3. to cause the second organism to produce protein
Explanation:
