Vocab Flashcards
a body plan in which an organism can be divided into two parts that are nearly minnor images of each other.
bilateral symmetry
a body plan in which an organism can be divided into 2 parts that are nearly mirror images of each other anywhere through its central axis
radial symmetry
a body plan in which an organism cannot be divided into any two parts that are nearly mirror images
asymmetry
an inherited trait that increases an organism’s chance of surviving and reproducing in a particular environment.
adaptation
a fluid filled internal cavity surrounded by muscle tissue
hydrostatic skeleton
the internal rigid
exoskeleton
the internal rigid framework that supports humans and other animaials
endoskeleton
an animal that survives by living inside or on another organism gets food from the organism, and does not help in the organism’s survival.
parasite
a thin layer of tissue that covers a mollusk’s internal organs
mantle
a process in which an outer covering such as an exoskeleton is shed and replaced
molting
a develop mental process in which the body form of an animal changes as it grows from the egg to an adult
metamorphosis
a flexible, rod shaped structure that supports the the body of a developing chordateton
notochord
grooves along the side of a develping chordate
pharngeal pouch
an organ that exchanges carbon dioxide for oxygen in the water
gill
a protective membrane that surrounds an embryo
amnion
