They lay eggs and have feathers.
Yes. In fact there are seventeen different kinds of of the species.
they all have same number of protons and electrons (in unionized form) but may have different number of neutrons.
They are both quadrilaterals. All the sides of a rhombus are of the same length. This is not true of a trapezium.
it is alike because the are the same in different ways because they are all part of the earths crust
They all need to eat and breath oxygen.
all cells have a cell membrane and a cytoplasm
They are not alike, they are different, but they can be identical in value. Example :- 3/4 and 0.75 are different ways of expressing the same quantity and they are not alike at all.
No. Many moons of planets in the solar system are unique in many ways. Some are rocky and barren like our moon , but some are icy and some are covered with frozen methane.
All penguins don't because some have a lot of feathers or they are used to their adaptations.
all cells have a nucleus and are covered by a membrane to protect it from getting damaged.
Depends on the species. Contrary to popular belief some penguins live in hot countries for example African Penguins in South Africa or Fairy Penguins in Australia. But ALL penguins live in the Southern Hemisphere
I don't give a ___ about any of you. You all are ___disgraceful ___