Bio20 - Kingdom Animalia *FINAL* Flashcards
What are the three characteristics common to all animals?
- multicellular
- eukaryotic
- heterotrophic
What are the 2 phylums and minor phyla used to classify animals?
-Phylum Chordata and Arthropoda and Minor Phyla
What are Phylum Chordata?
Vertebrates: have a backbone
What are pharyngeal gill slits?
gills slits in the throat region
What are notochords?
Early form of the spinal chord and backbone in the embryo
What are the 7 classes of Phylum Chordata?
- Mammalia
- Reptilia
- Amphibia
- Aves
- Osteichthyes
- Chondrichthyes
- Agnatha
Define Chordates in Class Mammalia and provide 2 examples.
- body covered with hair or fur
- mammary glands
- endothermic
ex. humans, bears
Define endothermic.
warm blooded; body maintains a constant temperature.
Define ectothermic.
cold blooded
Which two classes of chordates are endothermic?
Mammalia and Aves
Define Chordates in Class Reptilia and provide two examples.
- dry skim covered with scales
- eggs have a leathery shell
ex. alligators, snakes, turtles
Define Chordates in Class Amphibia and provide two examples.
- moist skin
- water needed to reproduce and hatch SOFT eggs
- metamorphosis
ex. frogs, newts
Define Chordates in Class Aves and provide 2 examples.
- covered with feathers and has wings
- eggs are hard, fragile shells
ex. ducks, sparrows, chickens
Define Chordates in Class Osteichthyes and provide 2 examples.
- bony (skeleton) fishes
- common fishes that we catch and eat
ex. salmon, tuna
Which three classes of chordates are fishes?
Osteichthyes, Chondrichthyes, and Agnatha
Define Chordates in Class Chondrichthyes and provide 2 examples.
- cartilaginous fishes
ex. rays, sharks
Define Chordates in Class Agnatha and provide 2 examples.
- jawless fishes
- cartilage skeleton
ex. lampreys, hagfishes
What are the 5 classes of Phylum Arthropoda?
- insecta
- arachnida
- crustacea
- chilopoda
- diplopoda
Define Arthropods in Class Insecta and provide 2 examples.
- 3 body sections
- 3 pairs of legs
- most numerous
ex. butterfly, mosquito, grasshopper
Define Arthropods in Class Arachnida and provide 2 examples.
- two body sections
- 4 pairs of legs
- can be poisonous
ex. spiders, ticks, scorpions
Define Arthropods in Class Crustacea and provide 2 examples.
- many legs
- aquatic
ex. crabs, lobsters, shrimp
Define Arthropods in Class Chilopoda and provide 2 examples.
- entire body is segmented
- 1 pair of legs on each segment
- 1 pair of long antennas
- poisonous (carnivorous)
ex. centipede
Define Arthropods in Class Diplopoda and provide 2 examples.
- entire body is segmented
- 2 pairs of legs on each segment
- 1 pair of short antennas
- not poisonous (herbivore)
What characteristics are common to all animals under Phylum Arthropoda?
- jointed legs
- have an exoskeleton
