This is a warning of the planet due to carbon dioxide and heat rentention

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

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

Is genetic diversity the same as genetic variation?