In all food chains, the flow of energy is unidirectional from the bottom to the top
Indicate whether the statement is true or false
FALSE
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True or False: Plants require a great deal of water because water is consumed in the process of photosynthesis
A. true B. false
Biologists categorize the cue that stimulates young herring gulls to peck as a sign stimulus because the
pecking behavior ____.
a. requires learning to perfect b. is completely instinctive c. is triggered by presentation of the cue d. is only triggered by the cue if it is accompanied by species-specific behaviors e. appears both in the presence and absence of the cue
Meiosis is a process that produces
a)sperm cells. b)begg cells. c)gametes. d)haploid cells. e)All answers are correct.
Which location in the cell is unlikely to contain ribosomes or ribosomal subunits?
A) nuclear envelope B) plasma membrane C) endoplasmic reticulum D) cytoplasm