Answer:
Thoracic cavity, also called chest cavity, the second largest hollow space of the body. It is enclosed by the ribs, the vertebral column, and the sternum, or breastbone, and is separated from the abdominal cavity (the body's largest hollow space) by a muscular and membranous partition, the diaphragm.
<h3>For further details and images:</h3>
- https://www.google.com/search?q=thoracic+cavity&client=ms-android-sanmu&prmd=ibnv&source=lnms&tbm=isch&sa=X&ved=2ahUKEwii__unmPTnAhWFyzgGHfGvAAsQ_AUoAXoECAwQAQ&biw=397&bih=549#
- https://www.google.com/search?q=thoracic+cavity&client=ms-android-sanmu&prmd=ibnv&source=lnms&tbm=isch&sa=X&ved=2ahUKEwii__unmPTnAhWFyzgGHfGvAAsQ_AUoAXoECAwQAQ&biw=397&bih=549#&biw=397&bih=549
<h2>HOPE U UNDERSTOOD</h2><h2>Please MARK as brainliest</h2>
Because then you get a infection
Answer:
The description indicates that Genetic variation is decreasing
The reasoning is that SEM is progressively smaller
Explanation:
Genetic variation decreases when organisms mate between relatives