Animals defend their territories because it’s kinda a instinct and they want to be in charge
Answer:
Homologous characters
Explanation:
Homologous character is usually defined as those set of characters that are observed in various organisms and are similar to one another. It is because these organisms have obtained these characters from a common ancestor, having that same distinct characters.
The evolution that occurs in this type of organisms are commonly known as the homologous evolution, where the similarities between the organisms are found in terms of physiology, structure and/or other development, depending upon their common ancestors.
A) single loop
Fish have a two-chambered heart in which a single-loop circulatory pattern takes blood from the heart to the gills and then to the body.
