Chorionic Villus Sampling. Definition: CVS is a test where the doctor collects a tiny piece of the placenta, called chorionic villus, which is then tested to check for chromosomal or genetic disorders in the baby.
Answer:
Columnar epithelial tissue.
Explanation:
The above scenario confirms that these are simple columnar epithelial tissue because columnar cells are tall, narrow and nucleus in the tall column like cells located at the basal end of the cells. Columnar epithelial tissue are responsible for absorption and secretion of molecules. These are present at some part of digestive tract, female reproductive tract, and respiratory system.
Answer:
Control methods
Biological pest control. Main article: Biological pest control. ...
Cultural control. Cultivation by ploughing exposes insect pests to predators such as black-headed gulls. ...
Trap cropping. Main article: Trap crop. ...
Pesticides. Main article: Pesticide. ...
Hunting. ...
Physical pest control. ...
Poisoned bait. ...
Fumigation.
