In the middle ear the eustachian tube (auditory tube) does down to the _____ to eqaulize _____ in the middle ear.
Fill in the blank(s) with the appropriate word(s).
Answer: throat and pressure
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Dissimilatory iron-oxidation is a relatively new metabolism and is restricted to one unusual phylum of bacteria
Indicate whether the statement is true or false.
In cocker spaniels, black coat color (B) is dominant
over red (b), and solid color (S) is dominant over spotted (s). If two dihybrids (Bb Ss) are crossed, which will be produced? a. black and spotted pure-breeding forms b. black and solid pure-breeding forms c. red and solid pure-breeding forms d. red and spotted pure-breeding forms e. all of these
Some parasitic plants are spread from one plant to another by direct transmission
Indicate whether the statement is true or false
A sorus is a cluster of sporangia
____________________ Indicate whether the statement is true or false.