6. Multiple Choice: What TWO (2) issues on the farm caused a toxic algae bloom in the pond?
a drought
b. excessive rainfall
c. duck manure
d. snails

Which of the following is not a characteristic of carnosaurs? a. long narrow skulls b. strong forelimbs c. horn projecting from their skulls d. none of the above

Some plants have reproductive structures that them reproduce using natural forces or animals. how does the reproductive structure shown here ensure the reproductive success of plants?

Which of the following best explains the changes in biodiversity shown in the graph?