Test — Cumulative exam Answers

Which form of natural selection does the graph represent?

Consider the chromosome.Which is indicated by the letter a?

Which statements describe functions of antibodies? Select two options. They maintain the cell’s shape.They regulate cell processes.They protect the body from infectious agents.They signal the immune system to destroy pathogens.They speed up biochemical reactions.They send electrical signals.

What controls traits and inheritance?

Which organism exhibits behavioral adaptation?

Parents that are heterozygous for having freckles (dominant) are crossed. Which correctly describes their offspring?

A population contains short plants and tall plants. The short plants are not able to compete with tall plants for sunlight. The tall plants, however, are more susceptible to wind damage. Which type of selection will this population of plants most likely experience?

A population of rabbits has individuals with fur coloring that ranges from white to brown. The population lives in a temperate deciduous forest where the summers are mild and average about 50°F. The winters are often below freezing. If warmer temperatures last longer into the fall and the average temperature in the winter is getting warmer, what do you expect to happen to the population?

Which shows the levels of organizational hierarchy listed from least complex to most complex?

Consider the cladogram.According to the cladogram, which organisms have roundworms as a common ancestor?