Is brown algae a eukaryotic cell or a prokaryotic cell

Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated

What is it called when lava when it erupts from the surface through volcanoes.