1. Space 2
2. Back limb
3. The back limb helps because you can see the shape it was growing into and the tail because two have tails and the others don’t.
Answer:
The long term development which is done by the preservation ,utilization and management of resources which is used by present generation and with preservation for future generation is sustainable development.
the conservation of habitat of living beings and plants is called environment conservation.
The circulatory aids with the immune system because they provide white-blood cells to help fight with the diseases or sicknesses.
Well what is the question or problem you don’t know how to do?