Answer: How scientists define and measure population size, density, and distribution in ... In ecology, a population consists of all the organisms of a particular species ... some methods ecologists use to determine these values for populations in ... In the end, the data can be used to estimate the population size and population density
Answer:
your answer is antibodies reacting to foreign antigens.
Answer: by eating meat from animals...?
Explanation: Well lions do actually eat meat so whenever they eat meat I'm guessing they get whatever they need. I'm still learning so sorry if I am wrong.
Is this just in general or in a certain area?