first left (up) trachea
first left (down) diaphragm
right (up) bronchiole
right (down) alveolus
Answer:
complexity. (uncountable) The state of being complex; intricacy; entanglement. (countable) That which is and renders complex; intricacy; complication.
Explanation:
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Answer:
D. Discovered chemolithotrophs in natural enviroments.
Explanation:
Sergei Winogradsky was a russian microbiologist. He observed in his research with genus of bacteria <em>Beggiatoa, </em>they were able to oxidize hydrogen sulfide as an energy source. Being the first example known of lithotrophs (organisms that use inorganic substrate in order to obtain energy).
The graafian follicle is the follicle that contains the secondary oocyte and after ovulation changes to a corpus leteum which secretes progesterone