100% correct answers only i cannot retake this.

if we compare the genetic codes of the four organisms seen here, which statement is most accurate?

a. all four organisms have exactly the same genetic code.

b. all four organisms have the same genome, but the number of chromosomes per organism varies.

c. all four organisms have exactly the same components in their dna, but it varies in number and sequence.

d. there are almost no similarities between the genetic code of these four organisms, and are placed into four different kingdoms.

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen