Which kingdom contains organisms that obtain their food by absorption through hyphae and never develop from embryos?
A) Protista
B) Animalia
C) Plantae
D) Fungi
Answer: A) Protista
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____ is a form of learning typically seen in young animals and involves acquiring specific behaviors in response to key experiences during critical times called ____
Fill in the blank with the appropriate word.
Species of the genus Hyphomicrobium are budding bacteria that attach to solid objects and are ________.
A. aerobic chemoheterotrophs B. able to reproduce by budding C. found in marine and freshwater environments D. All of the choices are correct.
Currently, atmospheric CO2 levels are approximately 400 ppm. The annual mean growth rate in CO2 is about 2 ppm/year. Assuming this trend continues, what would you predict the CO2 level to be in 100 years?
A) 100 ppm B) 200 ppm C) 600 ppm D) 1,000 ppm
This process of horizontal gene transfer involves cell-to-cell contact.
a) HFr conjugation b) Generalized transduction c) Transformation d) Spontaneous genetic mutations