Intercostal Muscles
The muscles of respiration
are muscles that contribute to exhalation and inhalation by causing the contraction
and expansion of the thoracic cavity. However, diaphragm is the main muscle of breathing
while intercostal muscles is one of the most important muscles for respiration.
Intercostal muscles function by manipulating the width of the rib cage and they
are attached between the ribs.
The evolution of a species of organisms over time.
<span>False. The plasma membrane is the outer layer of the membrane and its primary purpose is to protect the cell from its surroundings. It is selectively permeable to allow ions and other organic molecules to pass through and regulates which molecules are allowed in and out of the cell. It is a phospholipid bilayer that are placed back-to-back.</span>
Answer:
Explanation:
Paleontologists are scientists that use fossil records to study the history of life on earth. They use known evidence/fossils such as bones, prints (on land or sea), dead remains to determine evidence and history of past life on earth.
Some of there observations include the use of comparative anatomy to determine possible evolution. They also use carbon dating to determine approximately how long a fossil/bone has been in existence.
Answer
True
Explanation:
Living organisms need water to live
