Sharks are messy eaters that swim around all day with a small remora fish attached to their undersides. the remora eats any food that the shark may drop. the remora does nothing for the shark. this is an example of…

An atom of nitrogen had seven protons in its nucleus. how many electrons does it have

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

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