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Sci Ch 24 voc

QuestionAnswer
Invertebrate include all animals that lack a vertebral column, such as worms, jellyfish, and spiders
Chordate During at least one stage during life, has a dorsal, hollow nerve cord, tail that extends past the anus, and pharyngeal pouch
Vertebrate develop a backbone or a vertebral column, made of bones called vertebrae
Feedback inhibition negative feedback, which occurs when the product or result of a process limits the process
Radial symmetry With body parts that extend outward from the center like spokes of a bicycle wheel
Bilateral symmetry Single imaginary plane divides the body into left and right side that are mirror images of each other
Zygote Fertilized egg
Coelem Type of body cavity found in most complex organisms
Cephalization Concentration of sense organs and nerve cells at the anterior end
Cartilage Strong connective tissue, is softer and more flexible than bone
Tetrapods One group of ancient lobe-finned fishes evolved into the ancestors of four- limbed vertebrates
Hominoids Great apes
Opposable thumb Thumb that can touch the other finger tips allowing them to grasp objects
Bipedal Walks on two feet
Behavior Response to stimuli in the environment
Society Group of animals of the same species that interact closely and often cooperate
Kin selection Holds that helping relatives can improve an individual’s evolutionary fitness
Communication Passing of information from one individual to another
Language System that combines sound, symbols, and gestures according to rules about sequence and meaning, such as grammar and syntax
Created by: nathns
 

 



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