A student designed an experiment to test the effect of temperature on bacterial growth. He grew three different cultures of E. coli in three incubators at different temperatures. What was the independent variable in this experiment?

A biologist wants to know whether a plant's growth is affected by the material it's planted in. She plants lima bean seeds in a jar of dirt, a jar of cotton, and a jar of rocks, then provides each jar with equal amounts of water, plant food, and

What process can form an alluvial fan

Which of the following statements is FALSE? A) The rate of zero order reactions are not dependent on concentration. B) The half life of a first order reaction is dependent on the initial concentration of reactant.

What is a source of atmospheric co2

The somatosensory system is the same as the cutaneous sensory system. is not activated when reading braille. is not important for motivating sexual activity. is comprised of cutaneous sensations, proprioception, and kinesthesis.

What is an unusual property of magnetite?

Which describes the scientific view's order of earth's first living things to the most recent? A. cyanobacteria, hagfish, crocodilians, giant ground sloths B. cyanobacteria, crocodilians, hagfish, giant ground sloths C. cyanobacteria.

At what stage of mitosis does the cell grow and make copies of its hereditary material

A landform that has high elevation and a more or less level surface is a ...

Which of the following contain only prokaryotes? A) Domains Bacteria and Eukarya B) Domains Archaea and Bacteria C) Only Domany Eukarya D) Domains Archaea and Eukarya