Animal kingdom, worms and mollusks Flashcards
What domain and kingdom do animals belong to?
Domain Eukarya, kingdom Animalia
The study of the animal kingdom
Zoology
able to move around
motile
In clams these organs accomplish respiration and help with nutrition
gills
Clams have _________ organs that let them receive balance, touch and chemical cues.
sense
The type of cells that make up animals
eukaryotic
In mollusks this secretes the shell and encloses vital organs
mantle
The ___________ hump in mollusks contains the heart and digestive organs.
visceral
A hard protective covering that mollusks have.
shell
Part of earthworm that makes mucus to become the cocoon, looks like a thick band
clitellum
A type of chord that runs the length of the worm carrying messages
nerve
Muscular part of earthworm digestive system that grinds food.
gizzard
A stomach-footed mollusk
gastropod
Type of muscles in earthworm that contract to shorten the worm for movement
longitudinal
In mollusks this is a fleshy and muscular organ used in locomotion
foot
A two shelled mollusk
bivalve
The ______________ receptacle receives sperm from another earthworm through mating
seminal
In some mollusks this is used to scrape food particles and is covered in teeth
radula
Type of muscles in earthworm that contract to lengthen the worm
circular
Food storage in earthworm digestive system
crop
The type of development that animals have because they are multicellular
embryonic
Bristles the earthworm has for anchoring
setae
The middle body layer during development
mesoderm
An animal that derives its body heat from metabolism
endothermic
Phyla including Clams, Squid and Octopi
molluska
Cannot be divided into equal halves
asymmetrical
The inner most body layer during development
endoderm
Type of symmetry- an animal can be divided by a longitudinal cut to form mirror sides
bilateral
Type of symmetry that divided an animal by a cut through the center in any direction
radial
Animals that do not have a backbone
invertebrates
Phyla of segmented worms
annelida
Organisms that need to ingest food
heterotrophs
Provided by body coverings like fur, feathers and skin
protection
The outer body layer during development
ectoderm
An animal that has a body temperature that is behaviorally regulated
ectothermic
Exchanging gases with the environment
respiration