anonymous
  • anonymous
1. Scientists believe that ancient ancestors of all animals were (1 point) A) single-celled prokaryotes that reproduced asexually. B) single-celled eukaryotes that sometimes grew in colonies. C) multicellular organisms that were probably autotrophic. D) multicellular organisms with an alternation of generations lifecycle. 2. The Cambrian Explosion resulted in the evolution of the first (1 point) A) dinosaurs and mammals. B) representatives of most animal phyla. C) bacteria. D) land animals.
Biology
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Koikkara
  • Koikkara
Well....to my extend of knowledge......Prokaryotes are single-celled organisms that are the earliest and most primitive forms of life on earth. As organized in the Three Domain System, prokaryotes include bacteria and archaeans. [ Prokaryotes are able to live and thrive in various types of environments including extreme habitats such as hydrothermal vents, hot springs, swamps, wetlands, and the guts of animals. Read more : http://biology.about.com/od/cellanatomy/ss/prokaryotes.htm ]
Koikkara
  • Koikkara
2. http://www.life.illinois.edu/ib/201/readings/extra-readings.pdf
anonymous
  • anonymous
soo the answer is.......

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anonymous
  • anonymous
misspopular are you on
anonymous
  • anonymous
b b bonu c c b I am in inca and I just took this
anonymous
  • anonymous
thanks to this I am no longer falling behing my computeres went down and I fell so many lesson days behind still ttrying to catch up but thank you
anonymous
  • anonymous
yes thank you! at first when i was taking it on number four i thought it was sponges, but then i saw in the book that it was not sponges, that it was cnidarians.
anonymous
  • anonymous
Bless your soul

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