suggest some factors that might prevent an increase in the population of sparrows in a farmyard. grade 10

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

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