What is the posterior opening of the digestive tract called? the anterior opening?

Looking at this image, what relationship can be drawn from it? the lower the degree of latitude, the lower the degree of temperature there is no relationship between latitude and temperature the higher the degree of latitude, the higher the degree of temperature the lower the degree of latitude, the higher the degree of temperature

Describe the function of the endomembrane system? what organelles are involved?

Nucleic acids offer variability because they contain alternate forms of genes called .