Humans have 23 pairs of chromosomes. in a karyotype, the two chromosomes of each pair are lined up together and sorted from 1 to 23. the 23rd pair of chromosomes are not homologous. these chromosomes are called the?

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

Explain why ecosystem diversity results in species diversity in a healthy biosphere

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm