________ is the study of the geographic distribution of organisms
Fill in the blank(s) with correct word
Biogeography
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If a 10% sugar solution is separated from a 20% sugar solution by a selectively permeable membrane, in which direction will there be a net movement of water? Explain.
What will be an ideal response?
Which of the following events occurs during mitosis but not during meiosis?
A) Sister chromatids segregate. B) Homologous chromosomes pair. C) Crossing-over occurs between homologous chromosomes. D) Chromosomes align on the metaphase plate. E) None of the choices is correct.
What is the cause of coastal breezes?
What will be an ideal response?
Early animal embryos are composed of stem cells, unspecialized cells that are capable of dividing and renewing themselves for long periods
If a stem cell divides by mitosis so that one cell eventually becomes part of the brain and the other cell becomes part of a salivary gland, the cells have A) differentiated. B) diffused. C) taken up genes from surrounding cells. D) lost genes. E) increased their genetic variability.