A main function of a plant's root system is to:
a. photosynthesize.
b. absorb dissolved nutrients and water.
c. absorb atmospheric carbon dioxide.
d. capture sunlight.
e. bear seed-containing fruits.
b
You might also like to view...
Opsin is a ____________ in photoreceptor cells
A. transmembrane protein B. light-absorbing compound C. sodium leak channel D. G protein coupled receptor
The theory of continental movement is called
a. plate tectonics. b. plate drift. c. seismology. d. fault line movement. e. sea floor spreading
Which of the following statements about the Galápagos finches is false?
A) The Galápagos finch species differ in their feeding habitats. B) Each island in the Galápagos chain has one and only one isolated, unique species of Darwin's finch. C) Most speciation events of the Galápagos finches occurred when some finches made it to another island, evolved in isolation, and accumulated enough changes to become a new species. D) The evolution of the Galápagos finches is an excellent example of adaptive radiation.
Most cancers arise due to mutations in somatic cells, if someone has a predisposition to cancer, what genetic circumstance likely exists?
What will be an ideal response?