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Science Explosion 06

BJU 6th Science - Chapter 5

Invertebrate animal without a vertebral column
Vertebrate has vertebral column
Nematocyst organ causing a sting
Mollusk typically have soft unsegmented body, a mantle (with or without shell)
Filter feeder feeds on particles or small organisms strained out of water by circulating them through its system
Parasite lives on or in a host
Free-living lives independent of other organisms
Segment one of many similar pieces that make up the soft body of a segmented worm.
Arthropod “jointed foot”, most number animals on earth
Exoskelton a hard covering that acts like a knight’s armor, protecting the arthropods body
Molt when arthropods shed their exoskeleton and grow a new one in order to grow
Crustacean sea creatures with at least five pairs of jointed legs and two pairs of antennae; they breathe through gills, and most have some sort of claw
Arachnid have eight legs and two body segments
Insect have head, thorax (with 3 pairs of legs) and abdomen (most have two pairs of wings)
Metamorphosis a life cycle process from egg to adult
Incomplete Metamorphosis egg à nymph à adult
Complete Metamorphosis egg à larva (caterpillar) à pupa (chrysalis) à adult
Cold-blooded animals that rely on the environment for warmth
Cartilage a bonelike substance that is softer and more bendable than bone
Amphibian “double life”, start in water end on land
Omnivore an animal that eats both plants and animals
Herbivore an animal that eats only plants
Carnivore an animal that eats only meat
Warm-blooded animals that have a consistent internal temperature regardless of the environment
Insectivore an animal that eats mainly insects
Nocturnal active at night
Echolocation a technique used by some animals that involves making high-frequency clicks that bounce off objects and allow the animals to judge distance based on the time it takes the sound to return
Pride a group of lions living together
Blubber a fatty substance to insulate from cold
Pod a group of whales traveling together
Created by: MrsDunham