Answer:
It cannot be digested and, therefore, provides little nutritional value
Answer: B. schistosomiasis
Explanation:
Swimmer's itch is also called as cercarial dermatitis. It appears as a skin rash. It is typically an allergic reaction which is caused by a parasite.
Swimmer's itch is the symptom of Schistosomiasis. It is a disease which is also called as snail fever. It is caused by the parasitic flatworm called as schistosomes. This parasite infects the urinary tract and intestine in humans. Other symptoms include the diarrhea, abdominal pain, bloody stool and blood in the urine.
Answer:
Biodiversity is the variety and variability of life on Earth. Biodiversity is typically a measure of variation at the genetic, species, and ecosystem level. Terrestrial biodiversity is usually greater near the equator, which is the result of the warm climate and high primary productivity.
Explanation:
the number of trophic levels in a food web
Series of changes in the development of an organism.
the correct answer is A- Reproductive isolation occurred through behavioral isolation
A process of formation of a new species from an existing species is called speciation. New species may formed due to geographical or reproductive barriers which isolates the members of a population of a species to form a new species.
In the given question, speciation in In the leopard frogs occurred due to a particular or specific call given by males to the females. The courtship call lead to reproductive isolation due to change in behavior. Such type of behavioral change will help in recognizing mates of the same species and this will act as a reproductive barrier among the other related species.
