#Question id: 11273
#Unit 10. Ecological Principles
Use the following diagram of a hypothetical food web to answer the question. The arrows represent the transfer of energy between the various trophic levels. Which letter represents an organism that could only be a primary consumer and secondary carnivores respectively?
#Question id: 11602
#Unit 6. System Physiology – Plant
The concentration of gibberellins in plants is very low usually 1–10 parts per billion for the _____A_________ in _______B________ and up to 1 part per million of total gibberellins in ______C________.
#Question id: 2644
#Unit 2. Cellular Organization
Which of these items have a positive impact on PEDCBA transcription?
#Question id: 1636
#Unit 4. Cell Communication and Cell Signaling
Edward Jenner vaccinated against smallpox using:
#Question id: 18922
#Unit 13. Methods in Biology