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Vertebrate Diversity

Across
Fishes with smooth elongated body without paired fins, skeletal elements made of cartilage
Have a bony, protective shell attached to their backbone
Live in or near water, have a four-chambered heart and include crocodiles, aligators, and caimans
Humans, apes, monkeys, and their close relatives that have adaptations to life among the branches
Egg-laying mammals
Homo _______ is the earliest named human species, used stone tools
Homo ___________ are anatomically modern humans, higher rounder skull, a larger brain, and flatter face with smaller jaw and teeth
A dry nose and uncleft upper lip primate
Homo ____________ were found in the Middle East, Europe and central Asia; shorter, stood upright, closest extinct relative to humans
Fishes with embryonic skeleton of cartilage that becomes transformed to an adult skeleton consisting mainly of bone
Mammals in which an organ called the placenta provides nutrients to developing offspring
A subgroup of neanderthals found in a cave in siberia
Fishes that have jaws evolved from gill arches, which are skeletal elements that support a fish's gills
Retain bony remnants of ancestral hind limbs, all are predators and all have teeth, but some have fangs. They subdue prey with venom made in modified salivary glands
_________ amphibians were scale less tetrapods that spend time on land, but require water to breed
Down
A new world monkey with a flat face and prehensile tail
"heated from outside" adjust their internal temperature by altering their behavior
Finned fishes with flexible fins supported by thin rays derived from skin, has a gas-filled swim bladder that helps them adjust their boyancy
Fishes with skeleton made of cartilage, immovable paired fins
Have a heart divided into three chambers, one receives blood, one pumps blood to the lungs, and one pumps blood to the body
A wet nose and cleft upper lip primate
Only amniotes in which females nourish their offspring with milk secreted from mammary glands
Have feathers, four-chambered heart, lack a bladder, lay eggs
Have two-chamber heart, one chamber recieves blood the other pumps it out
Maintain their body temperature by varying their production of metabolic heat
Pouched mammals
One of humans two closest living relatives
Early ________ had the ability to survive out of water, which was useful in seasonally dry places, allowing them to be safe from aquatic predators and had access to new food
Largest living great ape
A vertebrate group adapted to life on dry land, branched off from an amphibian ancestor
An old world monkey with a long nose and short tail
Homo ________ dispersed out of Africa, had legs longer than arms, gait similar to that of modern humans
Most diverse reptiles, most are predators, lay eggs that develop outside the body, but some species give birth to live young, eggs develop inside the mother, but they are not nourished by her tissues
Finned fishes that include coelacanths and lungfishes; they have thick, fleshy pelvic and pectoral fins with internal bony supports