Comets are most like planets have elliptical orbits
Characteristics of Eukaryotic Cells - Boundless
https://www.boundless.com/biology/textbooks/boundless-biology-textbook/cell-structure-4/eukaryotic-cells-60/characteristics-of-eukaryotic-cells-313-11446/
Like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes. However, unlike prokaryotic cells, eukaryotic cells have: a membrane-bound nucleus. numerous membrane-bound organelles (including the endoplasmic reticulum, Golgi apparatus, chloroplasts, and mitochondria)
It would be all if u can pick that but if not it depends on what animal the he question is talking about
Identical genes have the same genetic material and the same genes. So if they both have a disease it's likely that it's genetic.