Answer:
The nucleus
Explanation:
It's the largest organelle in a cell and holds most of the genetic information
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).
C.
The soil in the delta is less fertile, causing fewer plants to grow.
The flooding of the Nile caused silt and nutrients to replenished in the soil every year.
In the case of breathing, probably because we have gotten so used to it by now.
Answer: by the consumption of other organisms. At the cellular level, the biological molecules necessary for animal function are amino acids, lipid molecules, nucleotides, and simple sugars. However, the food consumed consists of protein, fat, and complex carbohydrates
Explanation:im a expert in animals