You are presented with the question "What do webbed feet help aquatic animals do?" and the following answer choices: - rapid expansion - root growth - Catch prey - support - Regrows it - squeeze - Relieve pain - improve Now knowing that webbed feet are used for moving faster through water by aquatic animals and animals move around, seeking their prey, choose the best answer.
Catch prey

You are presented with the question "What kind of animals conserve energy with their hair or fur?" and the following answer choices: - fur - bears - mammals - sweating - frogs - cactus - goats - humans Now knowing that mammals conserve body heat with their hair or fur and basically, heat is energy, choose the best answer.
mammals

You are presented with the question "Mutations are what to evolution?" and the following answer choices: - Plants growth - essential - optional - competition - dangerous - non essential - voluntary - allow growth Now knowing that mutations are essential for evolution to occur and when that occurs, several things happen, choose the best answer.
essential