It is different because it has different DNA and diff molecules
The answer is proto-oncogenes, oncogenes, tumor-suppressor genes. The first group, called proto-oncogenes, produces protein products that usually improve cell division or prevent normal cell death. The mutated forms of these genes are called oncogenes. The second group, called tumor suppressors, makes proteins that generally prevent cell division or cause cell death.
It is the formation of new and distinct species in the course of evolution.
Answer:
1) Observation: "I've seen that frog eggs in ponds that receive runoff from farm fields sprayed with herbicides hatch at lower ratesthan those unaffected ponds."
2) Hypothesis: "The hatching success of frog eggs is affected by exposure to herbicides."
3) Prediction: "If frog eggs are exposed to elevated levels of herbicides the hatching success of the eggs will decrease."
4) Test: In the laboratory, raise frogs in pond water with varying concentrations of herbicide, and measure hatching successrates.
5) Result: Analysis of experiment data concludes that herbicide levels affect hatching rates.
Answer:
1. It's because when they talk to girls (Not all), they fill their head with all sorts of doubts and worries and then feels nervous as a result.. like for example they could be thinking "Am I making the right impression? Am I too annoying? What does she think of me?"
2. It means that they think that person is pretty. But if it gets too weird or annoying, you should report/tell an adult about it right away.