Respiratory system helps in breathing and it leads to exhalation of the gas carbon dioxide which is not required by the body. The integumentary system is the first line of defense and protects the body from invadig microbes, dust, and other harmful substances. The digestive system protects the body by enabling digestio of food and providing energy to sustain, further the toxic waste materials are also released during the process.
Explanation:
A genetic trait that helps an organism be more successful in its environment
Answer:
D
Explanation:
it regulates the flow of water into the cell
Answer:
observe, question, research, hypothesize, experiment, test hypothesize, draw conclusions, report
Answer:
<h2>A.) The dispersal of seed by force ( explosive mechanism ) </h2>
