Final Exam

In an area where trees are growing taller, the giraffe population must adapt if it is to survive. Which statement best explains how giraffes would be able to survive and reproduce over time?

• The genetic material for neck length within the offspring must mutate.

• The trait for shorter necks must exist within the population and be inherited by the offspring.

• The trait for longer legs would have to be a response to a change in the environment.

• The genetic material for smaller, shorter hind legs must exist within the giraffe population.

The Rio Grande Delta, found where the mouth of the Rio Grande River meets the Gulf of Mexico, is the direct result of--

• runoff from sewage

• an ancient glacier that passed through

• an underground river flowing to the ocean

• deposition of sediment

A simple food web for a marine ecosystem is pictured. How many producers are found in the food web shown?

• 1

• 2

• 3

• 4

The three wells shown provide water for a growing city. What is the most likely effect on the systems if six new wells are brought into production as the population increases?

• The shale layer will shrink.

• The aquifer will increase in volume.

• The water table will drop.

• The limestone layer will collapse.

The diagram represents a chloroplast in a plant cell. Which of the following energy transformations occurs in the chloroplast during photosynthesis?

• Radiant energy is transformed into chemical energy.

• Chemical energy is transformed into radiant energy.

• Thermal energy is transformed into chemical energy.

• Chemical energy is transformed into thermal energy.

According to the cell theory--

• all living things are composed of cells.

• cells have specific structures and functions.

• new cells come from existing cells.

• all of the above are correct.

The diagram depicts the biological levels of organization. Which of the following correctly corresponds with the diagram?

• A-Organism, B-Cell, C-Tissue, D-Organ System, E-Organ

• A-Organism, B-Organ System, C-Organ, D-Tissue, E-Cell

• A-Cell, B-Tissue, C-Organ, D-Organ System, E-Organism

• A-Cell, B-Organ, C-Organ System, D-Tissue, E-Organism

A cell is depicted in the figure. Which of the following structures is responsible for storing the cell's genetic information?

• Structure W

• Structure X

• Structure Y

• Structure Z

Which of the following statements is incorrect regarding an organism's genetic material?

• Genetic instructions are passed down from one generation to the next.

• Genes are located within the chromosome.

• All learned behaviors are inherited.

• Chromosomes are located in the nucleus of the cell.

Binary fission is a type of reproduction which occurs in bacterial cells which is illustrated above. What type of reproduction is this an example of?

• Lytic

• Lysogenic

• Asexual

• Sexual