1. What are the first know photosynthetic organisms?
A. Algae
B. Bacteria
C. Cyanobacteria
D. Plants
2. Which of the following status true about prokaryotic organisms?
A. They do not have a necleus
B. They can survive everywhere
C. They can make their own source of nutrition
D. They are very simple, microscopic and unicellular
3. What are the names of the two scientists that duplicated the creation of amino acid during the early stages of planet earth?
A. Stanley Miller and Harold Urey
B. Harold Miller and Stanley Uray
C. Stan Miller and Harry Uray
D. Harry Miller and Stan Urey
4. How old is planet earth?
A. 4.0 billion years old
B. 4.5 billion years old
C. 4.9 billion years old
D. 5.0 billion years old
5. What theory of the origins of life on Earth states that "seeds" from outer space carried by space rocks that manage to survive and reach the surface of the Earth colonized our planet?
A. Abiogenesis
B. Panspermia Theory
C. Primordial Suop Theory
D. Celestial Creation Theory
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Answer:
1: C
Exᴘʟɪɴᴀᴛɪᴏɴ :
But cyanobacteria thrived, turning sunlight into sugar and excreting oxygen as waste. Many researchers now think the first photosynthetic organisms lived on Earth 3 billion years ago.Mar 23, 2014
2:A
ɴᴏ ᴇxᴘʟɪɴᴀᴛɪᴏɴ ʙᴜᴛ ɪᴍ sᴜʀᴇ ɪɴ ᴍʏ ᴀɴsᴡᴇʀ
3: A
4: B
5: B
EXPLINATION :
Panspermia (from Ancient Greek πᾶν (pan) 'all', and σπέρμα (sperma) 'seed') is the hypothesis that life exists throughout the Universe, distributed by space dust, meteoroids, asteroids, comets, planetoids, and also by spacecraft carrying unintended contamination by microorganisms
I hope it helps :)
Explanation:
1. C. Cyanobacteria
2.
3. A. Stanley Miller and Harold Urey
4. B. or C.
5.