Schooling is
a. a feeding behavior.
b. fin nipping.
c. fish swimming in synchrony.
d. a mating behavior.
b
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Nitrogen fixation in the hindgut of the termite is carried out by ________.
A. spirochetes B. deinococci C. cyanobacteria D. Bacteroides
In the knee-jerk reflex arc, the synapse between a
sensory neuron and a motor neuron occurs a. in the brain. b. between the receptor and the spinal cord. c. within the muscle of the leg. d. within the spinal cord. e. in the nerve leading to the spinal cord.
Special epidermal outgrowths that remove excess salt accumulated in seashore plants are an exampleof:a
plasmodesmata. b. guard cells. c. stomata. d. sclereids. e. trichomes
One of your closest fish relatives is the coelacanth. Where is its equivalent to your forearm?
A. The pelvic fin lobe B. The operculum C. The claspers D. The gill arch extensions E. The pectoral fin lobe