Scientists use a variety of evidence to determine when they think speciation occurred. This includes analyzing fossils, studying genetic similarities and differences between different species, and observing patterns of geographic distribution and reproductive isolation. Additionally, scientists may also use techniques such as radiometric dating to estimate the age of fossils and the timing of speciation events.
Turtle Doves... Yes, Turtle Doves.
What do scientists do to adult cells to make them behave like embryos?
it gave scientists a way to repeat others' work to make sure it was correct
The scientists use classification system to make things easier and less complex.
Scientists had to use pigs blood because it contained what they needed to make Photofrin. Photofrin is a drug to help cancer patients.
No one can say. It's just a theoretical explosion that scientist speculate may have occurred long before man was here to witness-assuming it happened. **** Actually, the Big Bang was not an explosion -- it was an expansion. To say scientists "speculate" about, or that it is "theoretical" it is like saying they speculate that our Earth "theoretically" goes around our Sun. Both these facts about our Universe make several predictions about what we would see if they were true. If ANY one these predictions happened to turn out to be false, then scientists would be questioning whether the Big Bang occurred. However, ALL of them have been observed just as predicted by Big Bang Cosmology. To say that the Big Bang "may have occurred" is like saying Anasazi civilization "may have occurred" before anyone was able to write about them. Both cases -- the Big Bang and the Anasazi -- left a LOT of evidence of their existence. Only two groups of people would say that scientists "speculate" the Big Bang "may have occurred" and "assuming it happened": 1) Those totally ignorant of science. 2) Those trying to spread ignorance of science.
I think it is ability to make tools
I think that scientists have changed the classification system since it was first developed because, the world has grew example technology and they wanted to update it. I also think scientists have changed the classification system since it was first developed to make it easier.
bacteria cannot make its own food because scientists think they arent alive
Scientists estimate that the species alive today make up less than 0.1% of those that have ever lived. See: http://www.sparknotes.com/biology/evolution/speciation/section3.rhtml
Scientists make observations.
I think scientists and God are right. Maybe God made apes and make them evolve to be human
Scientists thought that cells may have developed the ability to make their own food. As they made their own food, they produced oxygen as a waste product.
Scientists make karyotypes based on the bands, indents, and lengths of chromosomes.
yes computer scientists are loners. their idea of fun is to strap themselves to a computer and sit there until there brain rots.losers............. computer scientists are loners but not because of what you think but because they work very hard to make programs so they basically are on the computer all day and they don't have time to make friends
AI stands for Artificial Intelligence. This is a theory from many top scientists, that a machine can think and make decisions for itself.
the only thing i'm telling you is this........................ hey i thought we were supose to give the answers, well thats what we make you think
it's not known to anybody but i think the scientists have probably discovered it but the government is not revealing it hope it leaks :-)