(Question)
You are presented with the question "What do living things require?" and the following answer choices: - blood - water - lipids - health - oxygen - food - cells - Sun Now knowing that living things all require energy for survival and food is the source of energy for living things, choose the best answer.
(Answer)
food

(Question)
You are presented with the question "Adult frogs have what and breathe with gills as larvae?" and the following answer choices: - embryos - a fish - ovaries - grow - teeth - survive - NaCl - oxygen Now knowing that most amphibians breathe with gills as larvae and with lungs as adults and an adult frog has lungs and teeth, choose the best answer.
(Answer)
teeth

(Question)
You are presented with the question "what are invertebrates?" and the following answer choices: - fungi - humans - insects - food - mammals - gorillas - barnacles - animals Now knowing that arthropods are the largest phylum of invertebrates and insects are the largest group of arthropods, choose the best answer.
(Answer)
insects