Many species in the phylum Crenarchaeota are considered extreme thermophiles or _______, which can grow at temperatures above 100°C.
Fill in the blank(s) with the appropriate word(s).
hyperthermophiles
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Any product of natural selection that increases the relative fitness of an organism in its environment is called a(n)
____.
a. neutral mutation b. adaptive trait c. founder effect d. speciation event e. polymorphic trait
Humans have a quasi-exponential growth curve because they can do which of the following?
a. Adapt to their current environment quickly. b. Produce many offspring at one time. c. Alter their environment like no other species on Earth. d. Produce offspring rapidly.
Which of the following would most likely
contain blood that needs to be cleansed?
a. the renal vein b. the renal artery c. the nephron d. all of these e. none of these
Frances Redi disproved spontaneous generation by designing a controlled experiment where he placed raw meat in six (6) jars. He covered three jars with a fine net and left three jars open. After a short period, maggots appeared in the open jars while the covered jars had no maggots. In your opinion, what additional controls and measurements could Frances Redi have done to prove that rotting of raw meat is caused by live bacteria?
What will be an ideal response?