- 33.33.1: Describe how sponges feed.
- 33.33.2: Some molecular evidence suggests that the sister group of animals i...
- 33.33.3: Lacking tissues and organs, how do sponges accomplish tasks such as...
- 33.33.4: Compare and contrast the polyp and medusa forms of cnidarians.
- 33.33.5: Describe the structure and function of the stinging cells for which...
- 33.33.6: As you read in Concept 25.3 (pp. 518519), many new animal body plan...
- 33.33.7: Describe the cnidarian body plan and its two major variations.
- 33.33.8: Explain how tapeworms can survive without a coelom, a mouth, a dige...
- 33.33.9: Annelid anatomy can be described as a tube within a tube. Explain
- 33.33.10: Explain how the molluscan foot in gastropods and the excurrent siph...
- 33.33.11: Is the lophotrochozoan clade united by unique morphological feature...
- 33.33.12: How do nematode and annelid body plans differ?
- 33.33.13: Describe two adaptations that have enabled insects to thrive on land.
- 33.33.14: In contrast to mammalian jaws, which move up and down, the mouthpar...
- 33.33.15: Traditionally, annelids and arthropods were viewed as closely relat...
- 33.33.16: Describe ecological roles of nematodes and arthropods.
- 33.33.17: Traditionally, annelids and arthropods were viewed as closely relat...
- 33.33.18: The insect Drosophila melanogaster and the nematode Caenorhabditis ...
- 33.33.19: Describe how the features and diversity of echinoderms illustrate t...
- 33.33.20: Youve read that echinoderms and chordates are closely related and h...
- 33.33.21: A land snail, a clam, and an octopus all share a. a mantle. d. embr...
- 33.33.22: Which phylum is characterized by animals that have a segmented body...
- 33.33.23: The water vascular system of echinoderms a. functions as a circulat...
- 33.33.24: Which of the following combinations of phylum and description is in...
- 33.33.25: In Figure 33.2, which two main clades branch from the most recent c...
- 33.33.26: In Figure 33.8, assume that the two medusae shown at step 4 were pr...
- 33.33.27: Draw a phylogenetic tree of Bilateria that includes the ten phyla o...
- 33.33.28: Bats emit ultrasonic sounds and then use the returning echoes of th...
- 33.33.29: Write a short essay (100150 words) that explains how the structure ...
Solutions for Chapter 33: Biology
Full solutions for Campbell Biology | 9th Edition
A high-pressure center characterized by a clockwise flow of air in the Northern Hemisphere.
A pipelike opening through which magma moves toward Earth’s surface. It terminates at a surface opening called a vent.
The outer, tenuous layer of the solar atmosphere.
An orderly arrangement of atoms.
A tabular-shaped intrusive igneous feature that cuts through the surrounding rock.
A section of a stream that leaves the main flow.
The initial velocity an object needs to escape from the surface of a celestial body.
A group of interrelated food chains.
Any break or rupture in rock along which no appreciable movement has taken place.
The gradual subsidence of mountains caused by lateral spreading of weak material located deep within these structures.
A tributary valley that enters a glacial trough at a considerable height above its floor.
The physical disintegration of rock, resulting in smaller fragments.
A front formed when a cold front overtakes a warm front. It marks the beginning of the end of a middle-latitude cyclone.
The natural remnant magnetism in rock bodies. The permanent magnetization acquired by rock that can be used to determine the location of the magnetic poles and the latitude of the rock at the time it became magnetized.
Stars rich in atoms heavier than helium. Nearly always relatively young stars found in the disk of the galaxy.
A telescope that concentrates light from distant objects by using a concave mirror.
A classification of a star according to the characteristics of its spectrum.
A major strike-slip fault that cuts through the lithosphere and accommodates motion between two plates.
Radiation with a wavelength from 0.2 to 0.4 micrometer.
The concept that the processes that have shaped Earth in the geologic past are essentially the same as those operating today