Cell membraine i hope that help
Answer:
it does not specify which is female and which is male so i am going to go with a.
Explanation:
The area encircling the Pacific Ocean is called<span> the "</span>Ring of Fire<span>," because its edges mark a circle of high volcanic and seismic activity (earthquakes). Most of the active volcanoes on Earth are located on this circumference.</span>
The answer is fusion of gametes via fertilization.
Answer:
Humans are most highly evolved and most complex animals
