Arthropoda
What is the respiratory system in insects?
network of tracheal tubes
What type of progression starts from bare rock?
Primary Succession
Eggs produced by birds are called
Amniotic eggs
Carries blood away from the heart
ateries
sharks, rays, skates
Class Chondryichtes
What is the respiratory system in arachnida
book lungs
Nonliving factors in an ecosystem
abiotic
Structure in an egg that aids in gas exchange and excretion of waste
Allantois
receives blood into the heart
atrium
tuna, salmon, grouper
Class Osteichthyes
What is the respiratory system in crayfish?
gills
In an energy pyramid it occupies the level that has 100%
Primary Producers
Structure in the egg that protects the embryo from pathogens and holds water
capillaries
Duck billed platypus
What are the stages of complete metamorphosis?
egg, larva, pupae, adult
What is the bacteria that convert ammonia to nitrates?
Nitrifying bacteria
What class of vertebrates produces amniotic eggs covered with a leathery shell
Class Reptilia
3
bats, dogs, dolphins
Class mammalia
what are the 5 characteristics of arthropods?
exoskeleton, body segmentation, jointed appendages, ventral nerve chord, open circulatory system
What is the process called that converts N2 gas into ammonia?
Ammonification
What class of Vertebrates develops oviparous with external fertilization?
Class Amphibia
How many chambers in a bird heart?
4
Kangaroos, opposum, koala