Agroup of cells that develop from the nerve cord in vertebrates is called a?

Dna replication or repair occurs in a cell in all of thw following situations except when

People with one sickle cell allele are not likely to get malaria. what is this an example of?

Anonnative species is best described as a species that a. does not normally live in an area b. has no permanent home c. is a poor predator d. increase biodiversity