Is the letter A) sunlinght and nutrient availability
<span>The answer is false, as "elements", are singular atomic items, according to the "Table of Elements, each of which have their own unique atomic structure. They may be combined to form other substances or compounds. Elements would be the building block of other compounds.</span>
Answer:
Sign stimulus
Explanation:
Sign stimulus is a stimulus that will always produce the same behavioral response of an organism. In this case, red coloring is a sign stimulus for the fish attack which is its behavioral response.
This type of innate behavior is called Fixed Action Pattern (FAP) because it is always the same (there is usually no variants in the behavioral response actions). If the model is colored differently, there is no behavioral response (attack).
Water regulates heat by taking it in during the day and releasing it at night. Heat has a part in weather so they have a part in if their is a drought or not.