echidnas hatch from an egg and delicious as they mature m. Why do the echidnas have bristles with different thicknesses?

They have different versions of the gene for bristle thickness that connect together to make the bristle thickness in general.

It’s like when you have 6 toothpicks and combine two together, you’ll have 1 really thick one and the others will be small.

The scientific method is a series of steps followed by scientific investigators to answer specific questions about the natural world. it involves making observations, formulating a hypothesis, and conducting scientific experiments.the steps of the scientific method are •observation-the first step of the scientific method involves making an observation about something that interests you•question-once you've made your observation, you must formulate a question about what you have observed. •hypothesis-once you've made your observation, you must formulate a question about what you have observed. •experiment-once you've developed a hypothesis, you must design and conduct an experiment that will test it.•results-the results are where you report what happened in the experiment. •conclusion-the final step of the scientific method is developing a conclusion.i hope that this you : )