The top row definitly pretty obvious
When a population of any species decreases, it leads to a decrease in populations of species that feed on them, as there is less food available and they may die of starvation or competing against each other for food. Crabs are eaten by big marine animals, such as otters and terrapins. Algae and snails does not feed on crabs. Therefore, the correct answer are the options B. Otter and D. Terrapin.
Answer: observation, question, hypothesis, prediction, experiment, results, conclusion.
Explanation:
The diagram is weird. Sorry I cant answer
Oxygen dependent maturation of the wine
concentration of the wine when water evaporates is your answer .-.
