Ribosomes
Cytoplasm
Mitochondria
Nucleus
Cell wall and chloroplasts
Lysosome
Golgi apparatus
Endoplasmic reticulum
Nucleus is the largest organelle in the cell and contains all the cell's genetic information in the form of DNA. The presence of a nucleus is the primary factor that distinguishes eukaryotes from prokaryotes.
DNA analysis reveals that they had common ancestors which are not very far in the Cladogram. They are very similar animals and share very much characteristics
Hope this helps!
In ecology, a group of particular organisms which live in a community is called POPULATION.
For instance, all the number of lions which live in a community make up the population of lions in that community. Populations of different species of animals that are found in that area combine together to form the community.