What effect does a keystone predator have on its habitat

The body is protected against harmful flu viruses by

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.