Organisms are divided into different kingdoms based on differences in their characteristics. Two major characteristics that scientists use to determine which kingdom an organism belongs to are
ability to make food and ability to swim.
OA
OB ability to swim and number of cells.
OC.
ability to fly and size of organism.
OD
ability to make food and number of cells.

A. ability to make food and ability to swim

Explanation:

Living organisms have been grouped into an hierarchical system of classification that begins with the kingdom, which is the most inclusive taxon. Organisms were placed into kingdoms based on two major criteria namely; their nutrition and mobility.

Their nutrition depends on their ability to make food by themselves (autotrophic) or not (heterotrophic) while their mobility depends on their possession of structures for locomotion.

the eggs of the insects should be the first thing collected at the scene.

false

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.