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← SFX - Science - Characteristics of Species - 5th Test

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of 19 available terms

7 Written Questions

6 Multiple Choice Questions

  1. embryo develops inside of the uterus of mother
  2. birds are believed to have evolved from them
  3. cold blooded; scales (most); gills for breathing; soft eff laid in water; lives in water (trout, goldfish)
  4. spinal chord and backbone vertebrate
  5. sac like organ developed by the growing embryo; attaches to the uterus; absorbs oxygen and food from mother's blood; attached by the umbilical chord; mother's blood never mixes with the blood of the embryo
  6. cold blooded; rough, dry skin; scales; born with lungs; leather covered egg laid on land; claws (snakes, alligators)

6 True/False Questions

  1. embryo → developing egg - zygote attached to the mother's uterus

          

  2. gestation period → time in which the embryo develops in the uterus

          

  3. fetus → feathers and scales; warmblooded; wings; hard shell egg; laid on land; beak instead of teeth

          

  4. monotremes → egg laying mammals - leathery egg laid on land; mammory gland with no nipples; young lick milk of the skin and hair of mother (duck billed platypus, enchidnas)

          

  5. amphibians → birds are believed to have evolved from them

          

  6. marsupial → warm blooded; hair or fur; feed young milk from mammary gland; live birth; lungs; 7 neck vertebrate (lions, tigers)