Answer:
Following are the methods used by plants to encourage cross-pollination.
1) Wind: Wind is the agent through which pollen grains of the flower flew in the air and falls on the stigma of another flower.
2) Bees: Bees are also called pollinators because they help in the transfer of pollens from one flower to another flower and causes cross pollination.
3) Water: There are some plants in which cross pollination occurs through water. Pollens drop into the water and transported to another flower through water flow.
B. distribution of sunlight.
Answer:
primary active transport
Explanation:
primary active transport directly uses a sources of chemical energy ATP to move molecules across a membrane against their gradient
Answer:
Kidney is an organ
Excretory system is a system
Explanation:
Cell is the base unit
- Many similar cells combine to form tissues
- Tissues combine to form organs
- Organs combine to form system
Answer:
to get the breast milk flowing
Explanation:
Some women have difficulty to let-down their milk. In such cases, oxytocin nasal spray is prescribed to help bring about let-down of breast milk
