Tadpoles have gills allowing them to breathe underwater while frogs have lungs. Tadpoles have tails and fins to help them swim while frogs have arms and legs.
Chloroplast , cell walls and centriols can be found in plant cell but not in animal cells.
The following cause that is not
considered in the formation of a Dust Bowl is the lack of farmers in Oklahoma. The
answer is letter B. in fact, the number of farmers increases due to the high
grain prices of Worl War I that encourages farmers to plow millions of acres of
natural grass to plant wheat.