Plant embryos grow into seedlings by adding new cells at only two growth points which are called:
A. parenchyma cell points
B. collenchyma cell points
C. sclerenchyma cell points
D. vascular cell points
E. shoot and root apical meristems
E. shoot and root apical meristems
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Saltatory conduction is a term applied to conduction of action potentials
A. across electrical synapses. B. along the postsynaptic membrane from dendrite to axon hillock. C. in two directions at the same time. D. from one neuron to another. E. along myelinated axons.
The layering of sediments above fossil remains is called ____
a. sedimentation b. divergence c. stratification d. entombment e. layering sequence
Competitive exclusion is a result of:
a. interspecific competition. b. intraspecific competition. c. character displacement. d. succession. e. community complexity
What structure regulates the flow of chyme out of the stomach?
What will be an ideal response?