(Question)
You are presented with the question "Adult starfish have what?" and the following answer choices: - a cuticle - plankton - whales - sensory neurons - layers of fat - radial symmetry - kinetic energy - adults Now knowing that adult echinoderms have radial symmetry and echinoderms are represented by the starfish, choose the best answer.
(Answer)
radial symmetry

(Question)
You are presented with the question "what can an atom be?" and the following answer choices: - Energy. - energy - microscopic - dangerous - small - nucleus - an object - negative Now knowing that if a neutral atom loses an electron then an atom with a negative charge will be formed and if an atom loses an electron, it is then positive, choose the best answer.
(Answer)
negative

(Question)
You are presented with the question "what describes behaviors that improve fitness?" and the following answer choices: - staying warm - mass - Darwinism - Riding a bike - death - survive - density - positive Now knowing that behaviors that improve fitness increase through natural selection and darwinism is strictly, selection theory, choose the best answer.
(Answer)
Darwinism