Which of the following best describes the process by which magma reaches Earth’s surface during a volcanic eruption? A .Magma builds up in the strata until it is released through the vent crater to form lava. B. Magma builds up in the vent until it is released through the magma chamber at different strata. C. Magma builds up in the crater then travels through the strata until it is released through the vent. D. Magma builds up in the magma chamber then travels through the vent until it is released through the crater.

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms