You are studying the amino acid sequence of a protein shared by four organisms. you want to know which organism is most closely related to organism a. you have data that shows the number of amino acid differences between organism a and each of the other organisms. study the data in the chart and use it to answer.
which organism does this data suggest is most closely related to organism a?
a. organism b
b. organism c
c. organism d

What factors contribute to the effect an environmental toxin has on the human body?

What chemical speeds up the process of decomposition in dead organisms are exposed to it? nitrogen oxygen hydrogen chlorine

Which statement is not an accurate description of meiosis? a) meiosis produces offspring that are genetically diverse. b) meiosis produces offspring that are identical to the parent. c) in sexual reproduction half of the genetic material comes from the father (sperm) and half of the genetic material comes from the mother (egg). d) meiosis decreases the number of chromosomes by half so that when a sperm fertilizes an egg, the resulting zygote has the correct number of chromosomes.