How does an organism pass on the chemical information for making proteins to the next generation?

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

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water