Please help
Why is Karl popper important and please use your own word

What do animals wth echolocation have in common other than echolocation

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

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.