Answer:
it explains how eukaryotes came from ancestral prokaryotes.
it theorizes that some organelles (mitochondria and chloroplasts), evolved from free-living prokaryotes that were overtaken and subsequently became obligate endosymbionants.
Explanation:
Fish, reptiles, birds, and mammals have very similar embryos with gill slits and tales, but all but fish get rid of the gills as they mature
Answer:
300,000
Explanation:
It is 30% of a million and quite a bit of money that can be used to buy a house.
An infrared thermometer is a thermometer in which infers temperature from a portion of the thermal radiation
251 million years ago, the Permian extinction occurred. It is the widest and most massive extinction that wiped out 85-90% of marine species and 70% of land vertebrates at that time. There were recorded low oxygen levels in deep and shallow oceans, extreme shift in the carbon cycle, massive eruption of a basal salt volcano in Siberia and the consecutive global warming that occurred evidently ended early prehistoric life.
