A pyramid of numbers gives a reasonably accurate representation of the relationship between trophic levels when
A. all the organisms are consumers.
B. all the organisms are about the same size.
C. all the organisms are the same age.
D. all the animals are carnivores.
B. all the organisms are about the same size.
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Summarize the effects of each of the six classes of plant hormones. What will be an ideal response?
The organism used to make bleu cheese is ________.
A. Leuconostoc mesenteroides B. Penicillium roqueforti C. Streptococcus lactis D. Propionibacterium E. Micrococcus
What governs the course of the vegetative growth throughout the life of a plant?
a. Genes that govern plant development switch on in response only to changing internal environment. b. Genes that govern plant development switch on in response only to changing external environment. c. Genes that govern plant development switch on and off in response to changing external environment. d. Genes that govern plant development switch on and off in response to changing internal environment.
Which of the following describes the correct chronological order of events in phagocytosis?
A) ingestion, adherence, digestion, chemotaxis B) chemotaxis, adherence, ingestion, digestion C) ingestion, digestion, adherence, chemotaxis D) chemotaxis, ingestion, adherence, digestion