The native biome of our area . Which of these is not an abiotic component of an ecosystem . The physical area in which an organism lives . One pound is approximately equal to half a kilogram. All living things are made of cells.
Ribosomes are the respiration centers of a cell.
Most human cells have 23 chromosomes. Haploid cells have twice the normal number of chromosomes. Gregor Mendel first proposed the chromosome theory. Sex-linked traits have genes located only on the X chromosome. Any change in the DNA of an organism is known as a mutation.