The sun because of photosynthesis in plants, then herbivores who eat plants then the carnivores who eat the herbivores who ate the plants.
Passive needs no energy cause it going high to low and active needs energy cause it’s going low to high.
Answer:
Salmonella infections have been present in America since at least the early 1600s. Scholars studying the history of Jamestown in Virginia believe that a typhoid fever was responsible for deaths of over 6000 settlers between 1607 and 1624. Typhoid fever was the major killer in the Spanish-American war of 1898 as well.
Explanation:
Answer:
Good environmental conditions and food availability.
Explanation:
Good environmental conditions and food availability are the factors that simulates the growth of parasite population in an animal with the passage of time. Yes, drug can reduces the population of parasites but all parasites can't be removed because some gain resistance against that chemical which allows them to survive in that environment so good environmental conditions and food availability increases population of parasite.
