Spirogyra are green algae that can reproduce se xually. Which of the following features identifies reproduction in Spirogyra as se xual reproduction? A. The cells of the parent algae have nuclei. B. Each offspring contains chloroplasts. C. Several offspring may be produced at once. D. Genetic material is contributed by two parents.

Analyze the map below and answer the question that follows. image by mdf the map projection above was created using mathematical formulas to calculate distances. it has a small amount of distortion. which map projection is shown in this image? a. the goode projection b. the political projection c. the mercator projection d. the winkel tripel projectio

The image shows groundwater zones. which zone shows the water table? 1 2 3 4

All of the following statements ere innovations that benefited farmers during the second agricultural revolution expect a. the iron plough b. the railroad c. animal husbandry d. plant domestication