The climate shifts in an ecosystem, causing the rainy seasons to become shorter and water to become more scarce overall. what is the most likely outcome of this environmental change?

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols

Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit.there is a precise compatibility between the active site and the lactose molecule.specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed.reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.