'Angler fish' diaporamas de présentation

Chordates

Chordates. Characteristics common to ALL chordates. Dorsal nerve cord Pharyngeal slits Notochord Tail. Dorsal nerve cord. Pharyngeal Slits. The wall of the pharynx is perforated by up to 200 vertical slits , which are separated by stiffening rods. Jawless to Jaw.

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THE DEEP

THE DEEP. Aphotic Zone (Deep Pelagic). Below 1000m (3280 ft) Explored < 1%. Pressure. At 1000 m is 100X greater than sea level pressure Surface organisms would be crushed. After nearly 5,000 m down. Adaptations. Fluid is almost incompressible

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(#10)

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Biomes: Global Patterns of Life

Biomes: Global Patterns of Life. Terrestrial Biomes. Biomes - Areas sharing similar climate, topographic and soil conditions, and roughly comparable communities. Determined by temp and precip Identified by the dominant plants. Biomes. Climatograms. Climatograms. Aquatic Ecosystems.

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Fish

Fish. Characteristics of Fish. Skeleton made of bone Air (swim) bladder for buoyancy Mucus to reduce friction, antibacterial agent Gill cover (operculum) to protect gills and pump water through them (oxygen). Small, thin scales for rapid swimming Flexible fins (not stiff as in sharks)

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Name that Adaptation!

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Name that Adaptation!

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Challenges

Challenges. Temperature Pressure Finding food Mating Darkness. Adaptations. Bioluminescence Transparent color Spines Large characteristics Mouth, teeth, eyes Sexual dimorphism Red light. Glass Squid. Gulper. Ogrefish. Frilled Shark. Megamouth Shark. Birdbeak dogfish.

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Natural Selection

Natural Selection. The unequal survival and reproduction of organisms due to environmental forces, resulting in the preservation of favorable adaptations. It is a two step process: 1. The Production of variation in a population 2. Non-random aspects of survival and reproduction.

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Fig 13.9

1. Distribution of light in the ocean. Sunlight zone. Biozone. E uphotic. Epipelagic. D isphotic. Mesopelagic. Bathypelagic. A photic. Abyssopelagic. Fig 13.9. Hatchet fish. 2. Adaptations to the deep sea Bioluminescence Mating Feeding. Gulper eel. Female angler fish. Fig 15-14.

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Predator-Prey Strategies

Predator-Prey Strategies. Biological Science 3 2011. Strategies for Avoiding Predators. Poisons Mimicry Visual deception Chemical defenses Offensive weapons Camouflage Size. Poisons. Poisonous organisms often have bright colours to warn predators away.

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Ocean Exploring

Ocean Exploring. Photo taken from the Smithsonian staff photographers at the National Museum of Natural History http://photo2.si.edu/uw/uw.html. Introduction.

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Actinopterygii

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Marine Bioluminescence

Marine Bioluminescence. A variety of sea creatures produce light by a variety of chemistries. Bioluminescence serves many purposes in the marine environment. Variety. Microscopic: Bacteria, dinoflagellates, Radiolarians Anthozoa: Sea fans, Soft corals, Sea pens, Sea psansies

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Adaptations of Marine Species

Adaptations of Marine Species. CLOWN FISH. Lion Fish. S E A H O R S E S. Angler Fish. SQUIDS. LOBSTER. BLOWFISH.

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Biological Factors that influence Marine Species

Biological Factors that influence Marine Species. CLOWN FISH. Lion Fish. S E A H O R S E S. Angler Fish. SQUIDS. LOBSTER. BLOWFISH.

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ANGLER FISH

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Fish

Fish. By Jackson, max , Grace and Aralynn. Characteristics of Fish. Fish have scales Fish have gills to help them breath Fish have backbones Fish have swim bladders to help them float Fish are cold blooded Fish lay eggs. Where fish live. Fish live in salt water Fish live in fresh water

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Biological Factors that influence Marine Species

Biological Factors that influence Marine Species. Angler Fish. Lion Fish.

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