What is it called when Earth's magnetic poles change places?

a.

a strike-slip fault

c.

sea-floor spreading

b.

magnetic reversal

d.

continental drift

What is another name for haploid cells?

How are mitosis and meiosis similar? A. In both processes, chromosomes are copied. B. Both processes produce four diploid cells. C. Both processes produce four haploid cells. processes D. In both processes, tetrads are formed.

A plant scientist was hired by a greenhouse operator to devise a way to force iris plants to bloom in the short days of winter. Iris normally blooms as long-day (short-night) plants.

Is colorblindness a chromosomal mutation

A researcher is looking through a microscope at a petri dish full of mouse embryos. these embryos appear as balls with no indentations along their surfaces. these embryos are most likely:

Mendel's observations of pea plants contributed to the study of modern genetics. use these terms gene, genotype, dominant, recessive, phenotype, allele, trait, in your explanation?

What is the process of the ocean floor adds new material to its ocean floor called?

If you were in a boat as Hurricane Sandy passed overhead on October 28 at 4am, at what altitude would Polaris appear in the sky from your location (32°N and 73°W) ?

Which instrument would provide the most detailed information about the internal structure of a chloroplast

Staind yeast were added to a paramecium culture, and some of the yeast were ingested by the paramecia. this activity is most closely associated with which life function A) synthesis B) regulation C) nutrition D) growth