Biology, 20.06.2020 20:57, jaylan11brown
One of the "triggers" proposed for the Cambrian explosion is a dramatic rise in oxygen concentrations that occurred in the oceans about 800 mya. Make a small concept map outlining the logic behind the "oxygen-trigger" hypothesis for the Cambrian explosion. Match the words in the left column to the appropriate blanks in the sentences on the right.
high
donor
larger
smaller
acceptor
faster
less
more
slower
low
available
1. Oxygen is an effective final electron (a)in cellular respiration because of its (b)electronegativity.
2. Organisms that use it as a final electron (c)can produce (d)usable energy than organisms that do not use oxygen, but only if it is (e) .
3. With (f)available energy, aerobic organisms can grow (g)and move (h) .
Answers: 2
Biology, 22.06.2019 01:20, heyrosaphoto2610
Question 3(multiple choice worth 4 points) (02.04 lc) which best describes the function of chloroplast? allows certa molecules to enter and exit the cell makes food during photosynthesis detoxifies waste products o packages proteins into vesicles
Answers: 3
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