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- Snorkeling a coral reef you see an animal with multiple arms hiding in a crevice. Determine whether the animal is a asteroid or ophiuroidMussels live in varying aquatic environments however, regardless of habitat, the need to remain stationary remains. Choose the adaptations that likely indicate a mussel lives in fast-moving waters. Question 2 options: Dark coloured shell Heavy, thick shell Thin shell Small, lightweight shell Increased numbers of bumps, ridges and/or pustules on the shell surfaceFrog Compare the frog's head to a fish. Is it evident from looking at the external features that a fish is a water-dwelling organism and the frog is a land-dwelling organism?
- A shark can stay in water at a desired level without swimming or moving its fins. Give reason.Eels have slender bodies that facilitate moving through narrow cracks in rocks when searching for prey. In 2-3 sentences: Provide a scenario describing how and why slender bodies of eels may have evolved, according to the principles of natural selection.The chelipeds of prawns are quite diminished in size when compared to crayfish and lobster.Hypothesize why you think these differences exist? Find some support for your hypothesis from the Internet or other scientific resource.
- Dolphins and fishes have similar body shapes. Is this feature more likely a homologous or analogous trait.Basilosaurus was a fully aquatic ancient whale species that had vestigial _____________________ which suggests a terrestrial past. knee caps feet hind limbs hip girdleMarsupials are unusual mammals because they carry their young in a