Fitting snow crabs (Chionoecetes opilio) into the benthic food web of the central Alaskan Beaufort Sea Lauren M. Divine*, Katrin Iken, and Bodil A. Bluhm.
25.2 Cartilaginous Fish Describe the unique characteristics of fishes. Identify the 2 main classes of fishes. Describe at least 3 adaptations of sharks.
VERTEBRATE EVOLUTION AND DIVERSITY –Classified by presence of head, vertebral column, jaws, and amniotic egg –Amniotes have a terrestrially adapted egg.
Planktivory. Suspension feeders: Animals that process large quantities of water through a feeding apparatus (gill rakers, baleen). Gill rakers trap particles.
Coral Reefs. Coral reefs consist of many diverse species of corals. These corals in turn are made up of tiny organisms called polyps.
Animal Body Plans Aggregate Blind sac Tube-within-a-tube Segmented Molluscan Arthropod Sponges Cnidaria, Ctenophora, Platyhelminthes Acoelomate -Eucoelomate.
Animal Strategies I. Body Organization A. Complexity.
Chapter 21 Nutrition & Digestion Overview: Obtaining and processing food Human Digestive System Diets Nutrition.
Mollusc Characteristics Unsegmented soft body –Visceral mass Molluscs have a Modified Foot –Muscular foot and/or tentacles Have a mantle (fold in the.
Feb 28, 2013 Microphagic animals: filter feeders, suspension feeders, particulate feeders.
Indicator Species. What is an indicator species? A species whose presence, absence or abundance reflects a specific environmental condition, habitat or.
Coral Reefs. Location of Reefs Found between 30°north and 30°south Reason: coral reefs do not thrive in areas where the surface temperature is below.