This is a cell or organism having half of the diploid chromosome number, symbolized by the letter n

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

Sort the examples by the type of diversity that they exhibit a park has 80 species of trees red, yellow, and orange bell peppers are all members of the same species individuals of the same lizard species have different mating strategies. five different bird species are at a bird feeder. genetic diversity species diversity