Fossil evidence has been used to understand the movement of continental plates. the figure below shows where fossils of mesosaurus, a freshwater reptile, have been found. evaluate the figure and compare mesosaurus with other species. from the information given, which of the following is a possible explanation for why mesosaurus is found in a smaller area than other species and why?

a.) mesosaurus migration may have been greatly slowed when it was forced to share its range and compete with lystrosaurus.
b.) mesosaurus may have been unable to spread easily across land because it may have been better-adapted to the water.
c.) mesosaurus was able to swim from one continent to another even after they had moved apart because it was an aquatic reptile.
d.) mesosaurus lived for a shorter time than any of the other species, giving it less time to spread over large distances.

The dna in a cell’s nucleus encodes proteins that are eventually targeted to every membrane and compartment in the cell, as well as proteins that are targeted for secretion from the cell. for example, consider these two proteins: phosphofructokinase (pfk) is an enzyme that functions in the cytoplasm during glycolysis. insulin, a protein that regulates blood sugar levels, is secreted from specialized pancreatic cells. assume that you can track the cellular locations of these two proteins from the time that translation is complete until the proteins reach their final destinations.for each protein, identify its targeting pathway: the sequence of cellular locations in which the protein is found from when translation is complete until it reaches its final (functional) destination. (note that if an organelle is listed in a pathway, the location implied is inside the organelle, not in the membrane that surrounds the organelle.)

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.