When evolution occurs through natural selection organisms that survive have

If you cross a mule and a horse, you get a donkey. How many chromosomes does a donkey have? horse=64 chromosomes mule=63 chromosomes

Which step results in the formation of two new separate cells?

12. Suppose that some cells are grown in culture in the presence of radioactive nucleotides for many generations so that both strands of every DNA molecule include radioactive nucleotides.

Which function is accompanied by the formation of a haploid cell in sexually reproducing organisms A) elimination of genes that selection pressures are acting against B) production of a zygote with a complete set of chromosomes with genetic material

What is the cell type in archaebacteria kingdom? prokaryotic or eukaryotic?

Which of the following is not true about cells? 1) All living thing begins life as a single cell. 2) The cell is the basic unit of the structure and function of life. 3) It takes many cells to make a complex organism.

Is mold that grows on bread a decomposer a producer or a consumer

In the Atlantic which part of the oceanic crust is older

Item 2 Put the following in order from smallest to largest: Organism Tissue Organelle Organ Organ System Cell

you looked at a cross section of a bone. Describe how you could model theinterior structure of an entire body?