Examlex
Which of the following is a function of the kidneys? I) elimination of urea
II) reabsorption of valuable solutes
III) reabsorbing water
Ordovician
A geologic period and system which is the second period of the Paleozoic Era, characterized by the diversification of marine life.
Radioactive Decay
The process by which the nucleus of an unstable atom loses energy by emitting radiation, leading to a change in its number of protons and/or neutrons.
Chemical Bonding State
Describes the condition or manner in which atoms are linked by attractions and interactions between electrons and nuclei.
Plate Tectonics
A scientific theory describing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of Earth's lithosphere, which has caused the geographical features we see today.
Q4: Excretion is the movement of substances from
Q5: Approximately what percent of bird species are
Q14: Veins carry _.<br>A)blood away from the heart<br>B)oxygen-rich
Q15: Reabsorption is the movement of substances from
Q22: Why do diseases involving widespread infection often
Q32: Seeds develop from _.<br>A)carpels<br>B)anthers<br>C)ovules<br>D)ovaries
Q41: Some fish have bony fins.If the body
Q44: Permafrost,or permanently frozen subsoil,characterizes _.<br>A)temperate broadleaf forest<br>B)chaparral<br>C)tundra<br>D)coniferous
Q56: Which of the following can cause anemia?
Q58: If you lay your forearm along the