Methyl salicylate triggers the genes that code for the systemic acquired resistance pathway. Indicate whether the statement is true or false
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The deep ocean biome is one that scientists know very little about. Primary producers in this biome cannot utilize sunlight as a source of energy
Which of the following statements provides a plausible description of the energy available to higher trophic levels from primary producers in this biome? A. There are probably only two trophic levels because there is only light available from bioluminescent organisms. B. The higher trophic levels (secondary or tertiary consumers) are probably only represented by one or two species because of the low levels of energy available from primary producers. C. The energy available from primary producers likely comes from the reduction of low-energy molecules (hydrogen sulfide or methane gasses). D. The biome is not stable because there is not a constant source of molecules available for primary producers to convert into biomass.
How did the researchers estimate that the original FOXP2 mutation happened 300,000–400,000 years ago?
A. by examining the fossil record B. They found the mutation in chimpanzee DNA. C. They found the mutation in Neandertal DNA. D. They found the mutation in 300,000-year-old human remains. E. using a molecular clock
Between 30°-60° north latitude, wind currents typically blow from
A) west to east and are deflected toward the left. B) east to west and are deflected toward the left. C) west to east and are deflected toward the right. D) east to west and are deflected toward the right.
If a cell has a higher concentration of solutes than its surrounding environment, its tonicity is ________ in relation to the extracellular environment
Fill in the blank(s) with correct word