This is true, Darwin spent over 20 years developing his theory of natural selection
Since the number before the tens place is 1, that means you will round the number down instead of up so your answer is :
4620
Vertebrates have a back bone. They have living endoskeleton, pharnyx and efficient respiration, advanced nervous system, and paried limbs.
Theres the shoot system and the root system
the shoot system is above ground and includes the plants organs which are the leaves,stem,buds and flowers
The root system is below ground and includes roots as well as modified stem structures such as tubers and rhizomes
