What kind of birds have three front toes/ one back toe without webbing and claws?

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community

What percentage of light hits earth's surface directly?