What is the missing piece, to the question

this is a change in the genetic makeup of a population of species over

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?