During prophase 1 of meiosis, the homologous chromosomes pair up to form tetrads. What are two outcomes of this pairing that increase genetic Variation?

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.

Creating new things to solve problems and improve life depends on the close interaction of which two fields?

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?