1. Embryology
2. Comparative Anatomy
3. Molecular Biology
4. Developmental Biology
IM 90% sure that these are the right answers
Population refers to an array of organisms of the similar species, which thrives in a particular geographical region and interbreed. The three main characteristics of a population are density, size, and dispersion.
The density signifies towards how many organisms are thriving in a specific region. The size refers to how big a population is, and dispersion signifies towards the degree of spreading of the particular population.
There is no correlation between the number of chromosomes and the complexity of an organism. For example a horse as more chromosomes than we do and so does the Adder's tongue. We can not say that they are more complex.