Which indicates the age of a skull? closing of the structures, thickness of nasal spine, size of the mastroid process, or thickness of brow ridges.

An inability to be roused, a weak, rapid pulse, and irregular breathing are signs of

Pits are large and allow movement of large molecules through tracheids. true or false? salt ions are smaller than bacteria true or false?

Examples of key abiotic factors in marine ecosyatem

what happens when a cell is subjected to a solution where the water concentration is higher than that inside a cell? hypotonic solution

Development begins at birth. True False

Consider two populations of fish that live in separate ponds and differ in the frequency of alleles at a locus. after a flood, the two ponds become connected by a stream and some fish are able to move between the ponds.

Read the descriptions of social behaviors and match them to the type of behavior that is best fit.

A cell is placed into a hypertonic solution. How does the concentration of water differ in the solution and the cell cytoplasm?

What do manufacturers use water for? A. to transport people B. to irrigate farms C. to create tools D. to produce wood and paper products

Match the type of transport with its description. A. secretion B. paracellular transport C. transcellular transport D. absorption in one side of a cell and out the other 1. Between adjacent cells 2. from an organ's lumen to the extracellular fluic 3.