The permo-triassic extinction event had a greater impact on the number of earth’s species than did the extinction event at the end of the cretaceous. question 4 options: true false

Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?

Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems

In camellia plants, flower color is controlled by a single gene with codominant alleles. a camellia plants with red flowers (rr) is crossed with a camellia plant with white flowers (ww). what are the expected phenotypes of the offspring of this cross? a. half will have red flowers and half will have white flowers. b. all will have pink flowers. c. all will have red flowers. d. all will have both red and white flowers.