Which is a controlled variable in this experiment?

A. number of pots

B. amount of water

C. amount of phosphate

D. amount of blooms on a plant

A type of organic farming that focuses on creating a sustainable environment is called agriculture.

When light energy excites electrons in photosystem II, where do the electrons to replace them come from?

During a trip to the Galapagos Island what observation led Charles Darwin to suspect that organisms change overtime

What is the name of the molecule that pyruvates are changed into during pyruvate processing?

The soil in south jersey is best described as an ultisol. what are the characteristics of this soil type?

Bone remodeling during which a client's osteoclasts resorb bone

How many homologous chromosome alignments are possible for independent assortment during meiosis? one two three four

What kind of tests are used to analyze data for experimental treatments?

Luis is doing an experiment on plants. He wants to find out if they grow taller when they are given more water.

Which is the last step that occurred in the speciation of the galápagos finches? a. establishing genetic equilibrium b. founders arrived c. geographic isolation d. ecological competition?