What morphology is represented in the picture

Natural selection acts on populations through a specific trait. which statement must be true about that trait? question 6 options: the trait is passed on genetically to the next generation. the trait has little impact on survival. the trait is the same for all organisms. the trait is resistant to mutations.

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

Why does bubbling occur when vinegar mixed with baking soda