Daphnia is a small water invertebrate that is almost transparent. like all animals, daphnia require chemical energy to live. it uses structures called gills to extract oxygen from the water to it obtain chemical energy. which statement below describes how they obtain chemical energy?

Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

Why is it to call the calvin cycle the light independent reactions vs the dark reactions