(Question)
You are presented with the question "what do behaviors that improve fitness increase through?" and the following answer choices: - density - evolution - Plants growth - gravity - animals - competition - death - environment Now knowing that behaviors that improve fitness increase through natural selection and natural selection is the mechanism of evolution, choose the best answer.
(Answer)
evolution

(Question)
You are presented with the question "What do some parasitic creatures have special structures for?" and the following answer choices: - Making friends - produce offspring - sensory neurons - protect them - Penetrate animals - Building sheds - Learning facts - resistance Now knowing that fungi have special structures for penetrating a host and parasitic plants and fungi can attack animals, choose the best answer.
(Answer)
Penetrate animals

(Question)
You are presented with the question "What do dolphins use to store energy?" and the following answer choices: - saturated fatty acids - thermal insulators - kinetic energy - evaporation - Something coming from a gland - objects that have mass - it helps plants in growing - Positive charges Now knowing that animals use saturated fatty acids to store energy and dolphins are a very unique animal, choose the best answer.
(Answer)
saturated fatty acids