What are the 3 basic needs for an organism to survive?

How are the tortoises that darwin observed on the galápagos islands similar to the anoles that losos studied

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible

What would happen if the krill were removed from the food web