Which of the following is not a piece of molecular evidence supporting the endosymbiotic theory? a. the mitochondria and chloroplasts are much different in structure than bacteria. b. ribosomes of some organelles are like that of those found in bacteria. c. some organelles divide by fission just like bacteria. d. mitochondrial and chloroplast dna is similar to bacterial dna.

List two new traits (structural or behavioral) that each new species of rat might demonstrate as it adapts to the conditions on two of the four islands. choose only two islands that are described in the lesson. record the island latter and the major habitat feature of the island. then list two new traits each rat subspecies might demonstrate in order to survive the habitat on that island. note: new traits should be unique to that island and be in response to that island’s habitat feature. i cannot remember islands that were names in the lesson so only answer if you have done the lesson (5.13 life science 7b) choose 2 of the islands and describe a structural and a behavioral trait for a rat on each island so 4 total answers, 2 different structurals and 2 different behaviorals, one for each rat for each island

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.