Answer:
Amoeba cells catch food and move about extending fingerlike projections of a colorless material called protoplasm and are found in decaying bottom vegetation of fresh water streams and ponds
Answer:
Part of female reproductive tract
Explanation:
Vagina is the part of female reproductive system or tract into which the penis penetrates during sexual intercourse. The structure of vagina is soft and flexible and has lubrication and sensation generating lining. It is a canal that is elastic and muscular.
During menstrual cycle, the blood flows out of vaginal tract. Also during the child birth, the baby passes through the vagina.
The answer your looking for is here Anisogamete
En.wikipedia.org<span>A measure of acidity or alkalinity of water soluble substances (pH stands for 'potential of Hydrogen'). A pH value is a number from 1 to 14, with 7 as the middle (neutral) point. Values below 7 indicate acidity which increases as the number decreases, 1 being the most acidic</span>