Oxygen is taken into the lungs during which process

Which fertilization and development method is most typical of humans before brth occurs? and why A - external fertilization and external development B - external fertilization and internal development C - internal fertilization and external

Which statement best illustrates a biotic or an abiotic factor that is often found in a city park? O Decaying leaves are an abiotic factor because they are not living. O Rocks are an abiotic factor because they have never been alive.

Facts about nerve cells?

Macbeth is often referred to as

A tissue designed to carry messages throughout the body is most likely to be?

Explain how your model demonstrated energy transformation from thermal energy to mechanical energy during a volcanic eruption. (I mixed warm water, vinegar, and baking soda)

B) humans and chimpanzees have very similar dna. what does this say about these two species

In a deciduous forest ecosystem which of these organisms would be a decomposer

How are viruses able to move between species?

Which of the following constructive forces was most powerful in the formation of the Appalachian Mountains? A. Crustal deformation due to two tectonic plates moving apart B. Crustal deformation due to two tectonic plates moving together C.