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Science chap 8

Life Science 9 Vertebrates, Invertebrates, Mammals, Reptiles, etc.

chordate phylum of animals having gill slits, a notochord, and a nerve cord at some point in their development
amphibians class of coldblooded vertebrates that have a slimy skin
cartilage makes up the skeleton of jawless fishes and sharks and rays
cartilaginous fishes class of fish having skeletons of cartilage
cold blooded animals organisms whose body temperature changes with that of the environment
diaphragm in mammals, a sheet of mascle below the lungs that separates the chest and abdomen regions to aid in breathing
egg-laying mammals the mammals that lay eggs (as reptiles do) and feed young on milk
jawless fishes parasitic fishes having a skeleton of cartilage and lacking jaws, scales, and paired fins
mammals class of warmblooded vertebrates that have hair and feed their young on milk
mammary glands special glands of mammals that produce milk for their young
placenta special organ in mammals that connects the embryo to its mother
placental mammals mammals whose offspring finish their embryonic development in the womb
pouched mammals young complete their embryonic development in a pouch
primates order of mammals that includes lemurs, monkeys, apes, and humans
spinal column backbone, composed of a series of 33 separate bones (vertebrae)
uterus part of the oviduct of a mammal in which the embryo develops
vertebrae the 33 bones of the spinal column
vertebrates animals that possess an internal skeleton and backbone
warmblooded animals animals that maintain a warm body temperature regardless of the environment's temperature
womb part of the oviduct of a mammal in which the embryo develops
bill beak
tadpole immature frog that has no tail, no limbs, and breathes through gills
rodents order of mammals having large front teeth for gnawing wood and other foods
bony fish class of fish having a bony skeleton, overlapping scales, and a swim bladder
marsupials the pouched mammals
reptiles class of coldblooded vertebrates that have a body covering of dry scales
Created by: daisy37311