Decomposers recycle materials at ____ trophic
level(s).
a. the first
b. the second
c. the third
d. the fourth
e. any of these
E
You might also like to view...
You stimulate a neuron response by adding a given amount of excitatory neurotransmitter mixed with a 6x higher concentration of an inhibitory neurotransmitter to the synaptic cleft. You expect that
A) excitatory responses will travel 1/6 as often as inhibitory ones. B) inhibitory responses will travel 1/6 as often as excitatory ones. C) as a result of neuronal integration, there will be an inhibitory signal. D) as a result of neuronal integration, there will be an excitatory signal. E) the neuron will be confused and will not respond to the signal.
What is formed between the two nucleoids created during binary fission?
a. septum b. cell plate c. cleavage furrow d. fissure
Why are the testicles kept outside of the body?
A) They lower the temperature for sperm production. B) The testicles cushion the penis and stop it from hanging too low. C) There's no reason for this. D) Earlier in human evolution, visible testicles helped males to sexually attract females.
A serum titer involves
A.) serially diluting a serum sample B.) determining the lowest dilution of serum that produces a visible reaction C.) determining the highest dilution of antigen that produces a visible reaction D.) the western blot method