- 47.47.1: How does the fertilization envelope form in sea urchins? What is it...
- 47.47.2: Predict what would happen if you injected Ca2into an unfertilized s...
- 47.47.3: Review Figure 12.17 on page 240. Would you expect MPF activity to f...
- 47.47.4: What cell-surface barrier prevents fertilization of an egg by a spe...
- 47.47.5: In the frog embryo, convergent extension elongates the notochord. E...
- 47.47.6: Predict what would happen if, just before neural tube formation, yo...
- 47.47.7: Unlike some other types of birth defects, neural tube defects are l...
- 47.47.8: How does the neural tube form? How do neural crest cells arise?
- 47.47.9: How do axis formation and pattern formation differ?
- 47.47.10: How does a morphogen gradient differ from cytoplasmic determinants ...
- 47.47.11: If the ventral cells of an early frog gastrula are experimentally i...
- 47.47.12: If you removed the ZPA from a limb bud and then placed a bead soake...
- 47.47.13: Suppose you found two classes of mouse mutations, one that affected...
- 47.47.14: The cortical reaction of sea urchin eggs functions directly in a. t...
- 47.47.15: Which of the following is common to the development of both birds a...
- 47.47.16: he archenteron develops into a. the mesoderm. d. the placenta. b. t...
- 47.47.17: What structural adaptation in chickens allows them to lay their egg...
- 47.47.18: In an egg cell treated with EDTA, a chemical that binds calcium and...
- 47.47.19: In humans, identical twins are possible because a. cytoplasmic dete...
- 47.47.20: Cells transplanted from the neural tube of a frog embryo to the ven...
- 47.47.21: Fill in the blanks in the figure below, and draw arrows showing the...
- 47.47.22: Evolution in insects and vertebrates has involved the repeated dupl...
- 47.47.23: The snout of a frog tadpole bears a sucker. A salamander tadpole ha...
- 47.47.24: Many scientists think that fetal tissue transplants offer great pot...
- 47.47.25: In a short essay (100150 words), describe how the emergent properti...
Solutions for Chapter 47: Biology
Full solutions for Campbell Biology | 9th Edition
The place in the orbit of a planet where the planet is farthest from the Sun.
The average of the atomic masses of isotopes for a given element.
A circular downfolded structure.
One of three basic cloud forms; also the name given one of the clouds of vertical development. Cumulus are billowy individual cloud masses that often have flat bases.
A short channel segment created when a river erodes through the narrow neck of land between meanders.
A climate in which yearly precipitation is not as great as the potential loss of water by evaporation.
An ice-transported boulder that was not derived from bedrock near its present site.
A dense, dark nebula thought to be the birthplace of stars.
The layer of the atmosphere immediately above the stratosphere and characterized by decreasing temperatures with height.
Monthly mean temperature
The mean temperature for a month that is calculated by averaging the daily means.
The overtaking of one front by another.
Atoms combine in order that each may have the electron arrangement of a noble gas; that is, the outer energy level contains eight neutrons.
The processes that collectively result in the formation of mountains.
A measure of a material’s ability to transmit water.
The gravitational disturbance of the orbit of one celestial body by another.
A highly heated mixture, largely of ash and pumice fragments, traveling down the flanks of a volcano or along the surface of the ground.
A barrier constructed to prevent waves from reaching the area behind the wall. Its purpose is to defend property from the force of breaking waves.
The point where a rapid steepening of the gradient occurs, marking the outer edge of the continental shelf and the beginning of the continental slope.
A layer of soil that has identifiable characteristics produced by chemical weathering and other soil-forming processes.
A well-tested and widely accepted view that explains certain observable facts.