Explanation:
human are able to move very rapidly around the world because of good atmosphere if there is more powerful population
The plasma membrane of the sea urchin egg has receptor molecules that are specific for binding acrosomal proteins .
<h3>What is plasma membrane ?</h3>
Plasma membrane is the outermost covering of the body which selectively permits the entry and exit of different type of materials .
Thus ,it is also called as selectively permeable membrane.it also separates the inner and outer environment of the cell .
It also helps in the diffusion process .
<h3>What are sea urchins ?</h3>
Sea urchins belongs to the animalia kingdom , Echinodermata Phylum, and Echinoidea class . they are small marine animals .Sea urchins are spiny , globular .
Learn more about sea urchins here :
brainly.com/question/23213828
#SPJ4
Made of cells
Reproduction
Sense and respond to change
DNA
Use of energy
Growth and development
OK after reviewing the given answers I'm going to go with C. as the best choice because reading all of the others will tell you that they are longer than a epoch.
