Refer to this portion of a dichotomous key to answer the question.1. (a) has a single dorsal fin ® 5 (b) has a double dorsal fin ® 25. (a) has a small fin on back near tail ® 6 (b) has no fin on back near tail ® 76. (a) has barbs near the mouth ® catfish (b) does not have barbs near the mouth ® 107. (a) tail is asymmetrical ® sturgeon (b) tail is symmetrical ® 8what would the result be when identifying a fish with a single dorsal fin, no fin on its back near the tail, and a tail that is asymmetrical?

Select all the correct answers. lactobacillus is a bacteria that live inside humans. these bacteria live on the nutrients from our bodies. they to keep our gut clean and healthy. s. typhi is a bacteria that enter our bodies through contaminated food. this bacteria causes infections in the body. based on this information, which two statements about the association between these bacteria and humans are true? a. lactobacillus shares a parasitic relationship with humans. b. s .typhi shares a parasitic relationship with humans. c. both lactobacillus and s. typhi share a parasitic relationship with humans. d. both lactobacillus and s. typhi share a mutualistic relationship with humans. e. lactobacillus shares a mutualistic relationship with humans, and s. typhi shares a parasitic relationship multiply chrse

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

During convection, less dense fluid rises and denser fluid sinks.