Nucleus, it contains genetic material.
Explanation:
A preditor-prey system, the 2 species are related by; co-evolution(because preditors eat prey that is available and plentiful, for example a rodent species.
also, the population cycle because rodents live for a short period of time in the wild, but reproduce quickly. example; spring and summer seasons is when food is most plentiful for all species of wildlife,
ALL animals make use of other animals and organisms for food. They are heterotrophic so they have to get energy elsewhere.
ALL animals are capable of motion at some stage of their lives.
Animals developed specialized cells and tissues that are advanced and complex.
And because all animals eat I would assume they all digest the food they ingest. Other than parasites who don't really digest their food.
There are three types of survivorship curves. Type I curves depict individuals that have a high probability of surviving to adulthood. Type II curves depict individuals whose chance of survival is independent of age. Type III curves depict individuals that mostly die in the early stages of their life.
