Living Organisms Vocabulary List Unit 1B
Make sure you know the definitions for the following words:
QUIZ WILL BE ON OCTOBER 3, 2014
- Cell- the smallest unit of all living matter.
- Organism-a living thing that carries out 5 basic life functions.
- Vertebrate- an animal with a backbone. Ex. human, bird, fish.
- Invertebrate- an animal without a backbone. Ex. sponge, mollusk (snail), jellyfish, worm.
- Exoskeleton- hard covering that protects the body of some invertebrates. Ex. crab, spider, shrimp.
- Life cycle- stages an organism goes through beginning with egg and ending in death.
- Offspring- children of living organisms. Ex. You are the offspring of your parents.
- Molt- when an organism sheds it’s outer covering. Ex. crab, snake, etc…
- Metamorphosis- a series of changing body forms during an animal’s development. Ex. the stages a butterfly goes through.
- Heredity- traits are passed down from a parent to a child. Ex. passing down the same color eyes or hair.
- Mimicry- an adaptation in which one animal looks like another animal in order to protect itself from predators. Ex. honeybee and hover fly.
- Camouflage- an adaptation in which an animal can hide by blending in with its environment. Ex. spotted leopard sitting on brown rock.
- Hibernate- to rest or sleep through the cold winter. Ex. bear, door mouse.
- Migrate- to move from one place to another. Ex. birds flying south for the winter.
- Habitat- the home of any organism. Ex. a pond is a habitat for fish, frogs, plants, etc…
- Predator- carnivore that hunts for food. Ex. Eagle
- Prey- the organism that is being hunted and eaten. Ex. Mouse
- External- on the outside of the body of a living organism
- Internal- on the inside of the body of a living organism
- Benefit (beneficial)- helpful; helps the organism or the environment
- Harm (harmful)- hurtful; hurts the organism or the environment