Answer - They can threaten the biodiversity of native.
Reason - Reason being they can threaten to the native is due to the invasive, reproduction, no predator to kill. Which leads to economic problems and environmental issues. :)
A ) Whaling. Because thats when the hunters go out and hunt.
A trait is a specific characteristic of an organism. Traits can be determined by genes or the environment, or more commonly by interactions between them. The genetic contribution to a trait is called the genotype. The outward expression of the genotype is called thephenotype.
Answer:
People can be immunised against a pathogen through vaccination. Different vaccines are needed for different pathogens. For example, the MMR vaccine is used to protect children against measles, mumps and rubella (German measles).
