Gathering and preparing for a scarcely adapt winter
Answer:
adaptations, heritable traits that help them survive and reproduce in their environment (have the highest fitness)
Explanation:
According to Darwin's theory of evolution, natural selection is the main mechanism. Darwin explains that organisms that have heritable traits that help them survive and reproduce, will be favorable by natural selection. Those favorable traits will enable organism to better adapt to their environment and to pass more genes on to the next generation (offspring).
Organisms adapt to their environment by changing their behavior, structural traits or physiology as a response to environmental change, so that they become well suited to it.
The secretion of larger molecules which may be poisonous. There are three processes that involved in the formation of urine in the nephrons of the kidney. Water and small particles move during filtration into the tubule. Secreted substance which is filtrates in the distal tubule includes uric acid, hydrogen ion, ammonia and potentially toxic substances like penicillin.