Sharks are able to detect bioelectric fields of their prey. What other adaptations (morphological, behavioral, or physiological) do these sharks possess that make them excellent predators?
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Visit the SHARK LAGOON
https://explore.org/livecams/aquarium-of-the-pacific/shark-lagoon-cam
1. Observe these sharks as they swim by. How can you tell which are males and which are females?
2. Observe the sand tiger shark, which is in the same order as the white shark, i.e., a mackerel shark. How many gill slits does it have?
3. Sharks are able to detect bioelectric fields of their prey. What other adaptations (morphological, behavioral, or physiological) do these sharks possess that make them excellent predators?
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- Visit the PENGUIN EXHBITVisit: https://explore.org/livecams/aquarium-of-the-pacific/live-penguin-cam-2 and https://explore.org/livecams/aquarium-of-the-pacific/live-penguin-cam1. What type of coloration do penguins exhibit and how does this type of coloration aid them in their natural environment?2. What other organisms at the aquarium have this type of coloration?3. How is their body shape and morphology adapted for an aquatic habitat?Complete the table below for the differences of the different organs in male and female shark. Excretory/Urinary Male Function(s) Female Function(s) 1. Kidneys 1. Urinary bladder Urethra 2. Reproductive Male Function(s) Female Function(s) 1. Ovaries 2. TestesDescribe the differences between the hair seal family (Phocidae) and the eared seal family (Otariidae) for the following features: External ear pinnae How do they move on land? How do they move in the water (specific movement of fore and hind flippers – look up videos and report what you see). Describe a two-year cycle in the life of an adult female gray whale by answering the specific questions below. Where do they mate and give birth? How often do they give birth? Where do they spend the non-breeding season? (Note this is also where they eat because they don’t typically feed during migration or on their breeding waters.) When do they migrate south along the Oregon Coast? When do they migrate north along the Oregon Coast?
- Gill slits First dorsal fin ܐܐܐܐ Pectoral fin 3a. Six gill slits 3b. Five gill slits Dorsal surface 4a. One dorsal fin 4b. Two dorsal fins Anatomy of a shark. Use these terms to help you work through the key below. Key la. Body, as seen from the top, shaped like a kite 1b. Body, as seen from the top, not shaped like a kite 2a. Pelvic fin absent 2b. Pelvic fin present Second dorsal fin Pelvic fin 5a. Mouth located at front of snout 5b. Mouth located on underside of head 8a. First dorsal fin extremely long 8b. First dorsal fin regular length 9a. Caudal fin extremely long 9b. Caudal fin regular length Anal fin 6a. Head expanded, with eyes located at end of expansion 6b. Head not expanded 7a. Top half of caudal fin same as bottom half 7b. Top half of caudal fin different than bottom half go to 12 go to 2 Pristiophoridae go to 3 Hexanchidae go to 4 Scyliorhinidae go to 5 -Caudal fin Rhincodontidae go to 6 Sphrynidea go to 7 Isuridae go to 8 Pseuodotriakidae go to 9 Alopiidae go to 10Compare the overall body structure of the cave fish and the minnow below. cave fish minrow 1. What is the biggest, most obvious difference between the body structure of these two fish? 2. Assume the two fish came from the same original ancestor. Why might the cave fish have evolved withouteyesight? 3. What kind of sensory adaptation would you hypothesize the cave fish has to allow it to navigate in a cave, including catching and eating food?1. How do cuttlefish catch their food? select all that apply. camouflage and sneak up on prey hypnotize prey with pulsing colors stab prey with internal shell extension poison prey with nematocysts 2. How do cuttlefish make is color changes? Select all that apply. chromatophores change size continuously to create colors in the skin 3 different color pigment cells eats certain foods which give it pigments increases blood flow to the skin 3. How do cuttlefish know what colors to change into? a) direct brain to skin link with visual cues b) it changes its primary color on a daily basis, red one day, blue another day, yellow another day, etc. c) it copies the colors of other cuttlefish nearby d) it mimics the colors of its prey, so the prey doesn't know what it is.
- In both sharks and bony fish, the lateral line has the function of: O a. Detecting water vibrations. O b. It is part of the excretory system. O c. Secreting a layer of mucus over the skin. O d. Detecting chemicals in the water. O e. Strengthening the body.2. Compare the anatomy of the butterfly and bird wing below. 1. butterfly wing bird wing What is the function of each of these structures? 2. How are they different in anatomical form? Give specific differences. 1 Compare the overall body structure of the cave fish and the minnow below. ******** cave fish **** ** minnow 2) 7.143 SVAT 1. Notice that the Cave Fish's eye. Cave fish have eyes, but they do not work. Based on the species name, why does it not need to be able to see? sto vid Does the appearance of the cavefish and the minnow suggest a common ancestry? Why? 3. Assume the two fish came from the same common ancestor. Why might the cave fish have evolved without eyesight? In your explanation use the following terms: trait, inherited, natural selection. What kind of alternative sensory adaptation would you hypothesize the cave fish has to allow it to navigate a cave without sight, including catching and eating food?1. What is the function of the gill rakers?2. Explain how gas exchange occurs at the gills.3. What is the function of the lateral line?4. Describe how the scales are arranged on the trunk & tail of a tilapia.5. Explain how the swim bladder controls buoyancy.
- Bullet are choices for the questions above Fill in the blanks 1. Like all starfish, the crown-of-thorns starfish isradially symmetrical as an adult but develops from a _____ bilaterally spirally radially 2. It senses its surrounding environment through the help of eyespots at the tips of its arms, and it responds to this sensation through signals sent ________ from its decentralized nervous system from its ossicles from its brain 3. The crown-of-thorns starfish moves across the coral reef seeking new prey through the use of ____________ slime traits muscles a water-vascular systemA gill lice infection will have negative effects on the gills, but no other physiological processes in the fish. Question options: True False Fish suffering from a gill lice infection likely experience reduced blood oxygen levels. Question options: True False The amount of surface area in gill filaments suggests a primary function that has to do with temperature regulation. Question options: True FalseCreate a mind map with the following items as the central topic: Modern fishes