What is an invertebrate chordate?
a. A chordate that has lost its gill slits
b. A chordate with an underdeveloped dorsal nerve system
c. A chordate that has lost its notochord
d. A chordate that has a backbone
e. A chordate that evolved to become an invertebrate
c
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The velocity Super-boy Hudson when reaching the top of his vertical path after being tossed by his dad
A. is momentarily zero. B. is zero and his acceleration is g. C. changes direction. D. all of the above
In which of the following weather conditions is hypothermia most common?
A. cold, dry B. cold, wet C. hot, dry D. hot, humid
Air pressure is:
A) measured in pascals by American meteorologists. B) independent of the density of air. C) independent of the temperature of air. D) the sum of the partial pressures of its constituent gases.
Figure 3.9 Natural capital: The main components of an ecosystem are energy, chemicals, and organisms.
?
In the accompanying figure, notice that heat is lost by each component of the ecosystem, and that the sun is shown entering at only one point in the system. Explain how this is representative of the second law of thermodynamics.
What will be an ideal response?