What is produced by the lymph system?

A.) lysozymes

B.) antigens

C.) white blood cells

D.) bacteria

Moving higher in altitude results in: thinner air and, thus, cooler temperatures denser air and, thus, cooler temperatures thinner air and, thus, warmer temperatures denser air and, thus, warmer temperatures

When a duck dives into cold water, the capillaries in its skin constrict and move deeper below the surface of the skin. This reaction is an example of 1. transporting nutrients2. transporting oxygen3. maintaining homeostasis4. collecting wastes

All communities in an area and the abiotic factors that affect them

Why does dew usually happen at night? Because it is dark Because the sun is not out to evaporate the dew Because the moonlight pulls the water out of the air Because the temperature decreases at night

As a volcano erupts, it produces lava. As this lava flows, it cools down and hardens, forming a rock. How could you classify this rock?

How do crickets obtain energy.?

Which type of stars is very hot but gives off little light? dwarfs giants main sequence stars nebula

Does Darwin's theory of Nature selection explain how evolution occurs?

What element is found in all organic compounds? oxygen nitrogen carbon helium

Prior to the time of charles darwin, it was widely believed that all organisms appeared on earth at the same time and remained unchanged throughout history. which of these proved to be the biggest influence in the development of this idea? a.