The three defining features of a eukaryotic cell are a membrane-bound nucleus, membrane-bound organelles, and what? A. cell wall
B. ribosomes
C. no cellular compartments
D. multiple rod-like chromosomes

Why do you sandy beaches form at many sea shores

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?

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