Answer:
Answer is A. allow them to control all the variables involved.
Explanation:
Modelling in ecology means the use of constructed mathematical models for understanding of ecological processes and to predict or know how real it is for ecosystem to change.
Ecological modelling is useful in defining problems more precisely and clarity of concepts.
I would go for D or A! :)
(Assuming that this is about chromosomes)
A male has an XY combination in his chromosomes.
Answer:
you want us to answer ALL those questions , cause that's alot lol but its okay if so .....
Answer:
population density I hope this helps