This is the genus that includes modern humans and species closely related to them and is estimated to be about 2.3 to 2.4 million years old.

Ans.

The modern humans (Homo sapiens) are grouped into genus Homo, which includes several other extinct species of ancestral species of modern humans, such as Homo erectus.

The first member of genus Homo was Homo erectus, which appeared in east Africa about 2.3 to 2.4 million years ago. Homo erectus is ancestral species of Homo sapiens, from which they evolved around 3.5 million years ago by the speciation.

Thus, the correct answer is genus 'Homo.'

a and c are the answeres

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.