Adaptations of Aquatic Life Post Scavenger Hunt

Aquatic Systems https://www.youtube.com/watch?v=kL-9TB4qAho What are the 2 types of Aquatic Ecosystems? What are some examples of Freshwater Systems? What are some examples of Saltwater Systems?

Think about It! What do all animals need to survive?

Animal Needs Food – Food may be floating, at the surface or at the bottom, depends what area they live in. Water (retention and supply) – Saltwater organisms need to retain freshwater to survive while freshwater organisms need to regularly remove water from their systems. Gas exchange (oxygen) – Dissolved oxygen in water Suitable shelter - what is available (eg. plants, rocks) Temperature regulation – Ectothermic vs Endothermic, different environments

Scavenger Hunt Make your way around the room and in the hallway area just outside of class to fill out the rest of your notes.

Adaptation: Gills Purpose: Used for oxygen exchange (pulls dissolved oxygen out of the water) Found in: Fish, Sharks, some insects, crustaceans (shrimp, lobsters and crabs), Mud Puppies, Mollusks (Snails, Clams, Oysters), Sea Stars, Sea Urchins

Adaptation: Streamline Body Position Purpose: To move easier in the water, require less food Found in: Fish, Whales, Dolphins, Otters, Insects, Worms, leeches

Adaptation: Ectothermic (body temperature the same as their surroundings) Purpose: To maintain body temperature in aquatic environment Found in: Animals that are not mammals (e.g. Fish, Reptiles, Insects, Crustaceans (shrimp, lobsters, crabs), Amphibians, Mollusks (Snails, Clams, Oysters)), Worms,

Adaptation: Blubber Purpose: To maintain body temperature Found in: Aquatic Mammals (e.g. Seals, Whales, Manatees)

Adaptation: Fins Purpose: To move in water and control motion Found in: Fish, Sharks, Aquatic Mammals (e.g. Seals, Whales, Manatees)

Adaptation: Scales/Smooth Skin/Smooth Fur Purpose: To move easier in the water (reduces drag) Found in: All Aquatic animals

Adaptation: Diapause (animals remain inactive for a period of time) Purpose: To survive in undesirable conditions Found in: Insects, some fish

Adaptation: Calcium Carbonate Skeleton/Exoskeleton/Shell Purpose: To have strong supportive structures, Protection from predators Found in: Mollusks (Snails, Clams, Oysters), Coral, Sponges,

Adaptation: Tube Feet Purpose: to remain on the bottom/Catch food Found in: Sea Stars, Sand Dollars, Sea Cucumbers

Adaptation: Suction Cup Feet Purpose: To catch prey/move near surfaces Found in: Octopus, Squid

Adaptation: Sealable blowhole/nostrils Purpose: To breathe from lungs and to not have water enter Found in: Mammals (beavers, whales, dolphins, Sea lions, Otters), Diving Birds, Amphibians, reptiles

Adaptation: Webbed Feet Purpose: To swim more efficiently Found in: Birds, Beavers, Amphibians, Otters

Adaption: Permeable Skin Purpose: To allow for water/oxygen to enter the body and to allow for salts to leave the body Found in: Amphibians, worms

Adaptation: Baleen Plate Purpose: To feed on small prey (krill) Found in: Baleen Whales (Humpback Whales)

Adaptation: Migration Patterns Purpose: To move between locations where different needs are met in different areas (example food in winter near equator and food in summer near the north) Found in: Fish, Whales, Reptiles, Birds

Important Adaptation: Swim Bladder Purpose: To stay afloat Found in: Fish, Sharks

Task: Create an Aquatic Animal Your task is to make an animals with a minimum of 5 adaptations to an aquatic environment. With this, you can describe or draw and label the parts that are adaptations to your animal