A pediatrician asks a child what he wants to be when he grows up. The child's response shows that he is seriously reflecting on the future, Imagining what he wants to be when he grows up and planning what it might take to get there. This ability to think abstractly and deal with hypothetical situations is indicative of Plaget's stage
of cognitive development

What would happen if the krill were removed from the food web

Write the balanced chemical equation forphotosynthesis.

Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.