Fish live completely in water, amphibians partly in water and land while reptiles live on land. Fish and reptiles have scales while amphibians have smooth skin. Fish breath through gills, amphibians through gills and lungs while reptiles through lungs. They are generally classified as vertebrates.
Answer:
Where are the graphs?
Explanation:
The question is directing you to look at two graphs and compare them. Without the graphs this question cannot be answered.
Answer: Urethra
Explanation:
The urethra is a narrow tube which lead into the male penis. Thus, the urethra passes through the penis, and carry out functions of reproduction (by allowing the discharge of sperm) and excretion of urine
Explanation:
Plants in forest are not supplied with fertilizer by human beings ,yet they get mineral and salt from the dead decaying body of plants and animal found in the forest .Animal die in forest get converted into humus by bacteria and other animals .Sources of energy is transferred from one life to other by different means in this way plants in forest get plant and mineral.
