Biology Animal Kingdom
Terms in this set (59)
eat both plants and animals
eat decaying plants and animals
strain tiny organisms in water
innermost layer of germ cells, develop into iling of digestive tract and respiratory system
middle layer of germ cells, develop into muscles and circulatory, reproductive, and excretory organs
outermost layer, cells develop into the sense organs, nerves and outermost layer of the skin
fluid filled space between digestive tract and body wall
Permanently attached to a substrate and unable to move on it's own
Lives off another living thing called a host and can be harmful
group of nerves, coordinate the movement and wings
a long supporting rod that runs through the body just below the nerve chord
paired structures in the throat region
body temperature is controlled by surroundings
produces own heat
a membrane around the embryo
a membrane forming part of the organ for hearing
a membrane that forms an inner eyelid in birds
develop in similar ways
behavior of an animal that benefits another at its own expense
choosing a mate based on certain characteristics
multicellular, eukaryotic, heterotrophs that lack cell walls
What is an animal?
Invertebrates: no backbone or vertebral column
Vertebrates: have a backbone
Invertebrates vs. Vertebrates
Feeding, Respiration, Circulation, Excretion, Response, Movement, Reproduction
7 Essential functions of animals
Why do most animals reproduce sexually?
genetically identical offspring, produce quickly= increase population
Why do some invertebrates reproduce sexually?
Specialized cells and internal body organization, Bilateral body symmetry, Front end/head with sense organs, Body Cavity
4 characteristics of complex animals
They have no tissue or organs
How do sponges differ from other animals?
A stinging polyps
What is a sea anemone?
The anemone provides protection for the clownfish and the clownfish provides food for the anemone
How does a sea anemone form symbiotic relationships?
Are coral reefs animals?
Pollution, Disease, Overfishing and Sedimentations
What are threats to coral reefs?
Look at rear end or in feces
How can you tell if your dog has tapeworms?
It grows in the digestive system and consumes the hosts food
How are flatworms parasitic?
It splits in 2
How do earthworms reproduce?
Their burrows provide passageways for plant roots and improve drainage of the soil
Why are earthworms important for ecology?
The crop is a thin walled sac that holds the soil before it is passed to the gizzard
What are the functions of the crop & gizzard for earthworms?
Animals with segmented bodies, tough exoskeleton, and jointed appendages
What is an arthropod?
Through book gills
How do crayfish breathe?
Arthropods shed its entire exoskeleton and makes a larger new one by the skin digesting the inside of the exoskeleton and the glands secrete new exoskeleton
Molting: What, why, how?
Crustaceans, spiders & relatives, insects & relatives
How are arthropods classified?
An animal that has at some stage of it's life had a dorsal hollow nerve cord, notochord, pharyngeal pouches, tail extending beyond the anus
What is a chordate?
At some point in their life they had all of these things
How are humans chordates?
96% are vertebrates
Are chordates vertebrates?
idk just wing it
Why are amniotic eggs an important development?
amniotic eggs, excrete uric acid after waste, similar bones
How are birds similar to reptiles?
maintain a constant internal body temperature, feathers, 2 legs with scales, wings
What are the defining characteristics of birds?
high effective digestive, respiratory, & circulatory systems
How are birds adapted to fly?
hair, mammary glands, breathe air, 4 chambered heart, endothermic
What are the defining characteristics of mammals?
Monotremes: lay eggs; Marsupials: give live birth at early stage, complete development in external pouch; Placental: embryos connect to the placenta
What are the differences between the 3 groups of mammals?
they do not have predators
Why do invasive species take over?
by water via boats, fishing gear, or being sold as bait
How do invasive species spread?
Morphology & Physiology
What is animal behavior based on?
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