Many plants adapted to arid environments use the ________ photosynthetic pathway to fix CO2 during the night
Fill in the blank(s) with correct word
crassulacean acid metabolism
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The breakdown of larger molecules into smaller ones
What will be an ideal response?
What makes a mineral element essential for plant growth?
A. It can only be found in organic fertilizers. B. It is part of typical chemical fertilizers. C. As its concentration increases, the plant grows more. D. If it is missing, the plant cannot grow or reproduce normally. E. It contributes to the solute potential of the plant.
What does it mean when we say a gene is "turned off"?
A) The gene is no longer working properly. B) The gene cannot be transcribed and translated into a protein. C) The gene has a mutation. D) The gene is now activated.
A herring gull and a black-backed gull are different biological species
a. true b. false