In the food web below, provide 2 specific possibilities if the sea otter became extirpated (removed) from this ecosystem. Extirpated means that animal dies in that community, but there are still sea otters in other communities.

Analogy- 1 is to arete as 5 is to cirque horn glacial valley hanging valley

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.

How does the color of light affect the germination time (amount time a plant takes to develop) of a radish seed?