Select the organic components of soil.

algae
arthropods
bacteria
clay
humus
nematodes
nitrogen
parent rock
silica
silt

Why is excretion necessary to maintain homeostasis?

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data. me % babies born at different weights - babies born in that category which statement is a valid claim that could be made using the data in the graph? directional selection is occurring because the graph favors an extreme. mark this and totum save and exit next submit type here to search