The powerhouse of the cells are a. mitochondria b. centrioles c. chloroplasts d. vacuoles

Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes

What is the 77 element on the periodtic table

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above