What must happen before meiosis can begin? A. Four gametes must be produced.
B. The four tetrads must be pulled apart.
C. DNA doubles and produces sister chromatids.
D. The cell membrane pinches together.

Match the following terms and definitions. 1. species that are adapted to live in equilibrium at carrying capacity population density 2. population growth that reaches equilibrium and carrying capacity population 3. death rate mortality 4. birth rate k-selected 5. a group of interacting individuals of the same species within the same geographic area natality 6. the number of organisms living in a particular area logistic growth

The importance of the mind as a part of the body is an example of:

If a force of 40 newtons moves a cart a distance of 9 meters, the work done is nm. if the same force moves the same cart three times that distance, the work done is nm.