The answer is 4. Hope this helps
They have long, sticky tongues. They blend in with the ground.
No.
This method of stating population density is carried out by counting the number of specimen in a given area and then dividing the number of specimen by that area. This does not mean that each specimen is one meter apart. Some regions may have no specimens for multiple meters while other regions may have multiple specimen in the same meter. The population density gives us an average value.
The number of electrons in the outermost shell of an atom