You are studying the amino acid sequence of a protein shared by four organisms. You want to know how 4 organisms are related to each other. 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 the question. Which organism is least related to Organism A? Question 5 options: Organism B Organism C Organism D All of the above.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.