Explain the relationship between the carbon cycle and global temperatures. Include an example on how human activities have impacted the balance of the carbon cycle.

How had the study of mitosis affected scientists knowledge of cancer

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.