Answer:
The human body is comprised of trillions of cells. Over 200 types of cells make up the organs, bones, muscles and nervous system. All the cells have similarities, such as a membrane on the outer surface and organelles--structures that perform cellular functions--within the cell.
Answer:
<em>Environmental perception has commonly been defined as awareness of, or feelings about, the environment, and as the act of apprehending the environment by the senses. ... Moreover, the perception of any environment is influenced by an individual's past experiences and current value orientations.</em>
Explanation:
<h3>i hope this helps!</h3>
Answer:
Natural protein fibers.
Explanation:
Fibers such as wool, hair,and silk, are made of protein. These are all natural fibers.
<em>Hope this is correct. Wishing you the best.</em>
Answer:
C. both a and b are correct
Explanation:
#carry on learning
They all develop gills, slits and tails
