Question: You are presented with the question "most insects have a what?" and the following answer choices: - a cuticle - storing system - city system - epidermis and dermis - nervous system - building system - four limbs - layers of fat Now knowing that most invertebrates have a nervous system and insects are the most common invertebrates, choose the best answer.
Answer: nervous system

Question: You are presented with the question "When does steel expand?" and the following answer choices: - matter vibrating - when it loses heat - It gets heated up - flow of electrons - when it transfers heat away - recovery time from fatigue - when it conducts heat - when it cools down Now knowing that when metal conducts heat , that metal expands and steel is a solution of metals, choose the best answer.
Answer: when it conducts heat

Question: You are presented with the question "What organisms are a source of food for many species of fish?" and the following answer choices: - remains of prehistoric life - whales - organic matter - sharks - gastropod shells - those on the ocean floor - Something made from fermented ricce - humans Now knowing that sponges are a source of food for many species of fish and like sponges, they are attached to the ocean floor, choose the best answer.
Answer:
those on the ocean floor