Single plant cells can be stimulated to become a callus and then further stimulated to become a new entire plant.
Answer the following statement true (T) or false (F)
True
It is true that single plant cells can be stimulated to become a callus and then further stimulated to become a new entire plant.
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From his observations of organisms in the Galapagos islands, Darwin reasoned that _____.
A. all island species should be similar to each other B. organisms had adapted to new environments, giving rise to new species C. the shape of a bird's beak does not affect its ability to survive and reproduce D. the organisms in the Galapagos had been specially created to thrive in that environment E. none of the above
The measure of the concentration of solutes in a solution is ____
a. tonicity b. osmosis c. hydrostatic pressure d. diffusion e. facilitated diffusion
Diversification of mammals after the extinction of the dinosaurs is considered an adaptive radiation because a few mammal species rapidly evolved into most of the current mammalian lineages in a relatively short amount of time. This diversification was partially driven by the evolution of endothermic homeostasis in mammals, which is an example of
A. a key innovation. B. reproductive isolation. C. allopatric speciation. D. hybridization.
The third line of defense is called (adaptive/clonal/self-tolerant) because it does not normally respond to autoantigens
What will be an ideal response?