What is the substance in saliva that makes food easier to swallow?

A life cycle is best described as the ... -series of changes in the development of an organism -movement of an organism from place to place -ability of an organism to adapt to its environment -flow of energy through the organism in the environment

Global climate and weather patterns are driven by differences in the amount of heat energy in different areas of the Earth. Which statement best explains why different areas of the Earth have different amounts of heat energy? A.

How does biotic and abiotic factores influence biome level

Where should the loss of flagellated sperm be marked on the phylogenetic tree?

Identify a use in a plant that does not occur in animal

8. Modern fishing practices threaten biodiversity mainly through the

What is transpiration, and how does it occur within a plant

Describe each of the four mechanisms that cause air to rise.

Can a solution have a color?

If a planet entered a black hole would it crush the planet completely or in theory would chunks make it through?