The smallest functional unit of kidney that can perform all the functions is called what?

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake