The water flowing over land is called?

How does the cell differentiation process work? Differentiation works by turning certain genes on and others off which creates specialized cells for specific functions. Differentiation works by lengthening cells with the assistance of water intake.

Which statement about biomes is true? A. Different biomes share similar plants and wildlife. B. Each biome has only one ecosystem. C. There are only three biomes on the Earth. D. Biomes are determined by climate zones.

What is a steroid? Describe at least three properties that all steroid molecules have in common.

Suppose a large number of dead fish are found floating in a lake. how would you determine whether they died from cultural eutrophication or from exposure to toxic chemicals?

Where does most of the metabolic activity in the cell occur? cytoplasm DNA cell wall nucleus

What example is a vector quantity

Pollen contains the male gamete for plants. What kind of cells are pollen cells?

Why is the process of copying DNA called semiconservative replication? Each strand is a mixture of old and new nucleotides. One strand runs from 5' to 3' and the other runs from 3' to 5'. The process happens very slowly to conserve energy.

Describe the location and the length of the incision you will make in the earthworm

Which situation is a good illustration of a biologically resistant species? A) A mule, despite being the product of two different species (a horse and a donkey).