Which characteristic do red algae (phylum Rhodophyta) and cyanobacteria have in common? A. both are unicellular
B. both contain photosynthetic pigments
C. both belong to the kingdom Protista
D. both fix nitrogen

How does this experiment explain why it is often milder in areas such as coastal maryland while areas such as kansas or iowa have more extremes in temperature

Jasmine, at 33 months of age, is able to engage in some self-care behaviors but still has trouble with tasks such as putting on socks. a few months later, she accomplishes this same task relatively easily. the change in abilities is most likely due to

What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?