phytoplankton
insects There are a few abundant land animals. Most of the abundant animals are insects.
No, it is the most common dissolved ion in the ocean. The most common element by mass is oxygen as the ocean is still mostly water.
hydrogen
The Atlanic ocean and the Pacific Ocean have the most animals
Hydrogen I think.
Magnesium.
the ocean.
the ocean.
Collagen
The most abundant dissolved salt in ocean water is sodium chloride. It is a colorless crystalline compound with the chemical formula of NaCl.
oxygen and water
Phylum Athropoda, ( The Arthropods) as they contain the insects of which there are 800 000 species and the insects are the most abundant animals on earth.