Gene mutations provide new traits, those that are useful evolve and strive into new species'. Those that are not so useful, eventually die off
Answer:
Photosystems are functional and structural units of protein complexes involved in photosynthesis. Together they carry out the primary photochemistry of photosynthesis: the absorption of light and the transfer of energy and electrons.
Explanation:
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Answer:
amphibians, fish
Explanation:
tiktaalik possessed a combination of fish-like features and amphibian-like features.
The musculocutaneous nerve is blocked d/t to the cords being
blocked. There are type of surgeries may an infraclavicular brachial plexus
block be used for forearm, arm, and hand.
There is an increased/decreased
risk of uncontrollable bleeding with the infraclavicular approach, there is an
increased risk of haemorrhaging if the subclavian artery is punctured d/t
inability to apply pressure to tamponade the bleeding.
