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Vocabulary
Vertebrates
Invertebrates
Classification Clues
Random Review
100
animals without a backbone
What are vertebrates?
100
This term describes vertebrates that have the ability to constantly regulate their internal body temperature.
What is warm-blooded?
100
The main characteristic of an intertebrate is this.
What is it does not have a backbone?
100
Clue 1: Simple digestive system, including a mouth Clue 2: Radial symmetry Clue 3: cnidocytes for capturing prey
What are cnidarians?
100
This is a single-celled organism with no nucleus.
What is bacteria?
200
This term means matching forms on both sides of a dividing line.
What is symmetry?
200
The term vertebrate refers to the presence of this in an animal.
What is a backbone?
200
Starfish, sea urchins, and sea cucumbers belong to this group of invertebrates.
What are echinoderms?
200
Clue 1: complex brains (nervous system) Clue 2: have fur or hair Clue 3: feed young with milk
What are mammals?
200
This uses a pseudopod, or false foot, to move.
What is an amoeba?
300
This term describes invertebrates with radial symmetry, a mouth, and the ability to ingest food.
What are cnidarians?
300
Vertebrates include mammals, birds, fish, amphibians, and this other set of animals that have a tough outer skin.
What are reptiles?
300
This type of invertebrate has jointed parts.
What is an arthropod?
300
Clue 1: some are parasites Clue 2: bilateral symmetry Clue 3: simple organ system
What are worms?
300
These organisms grow very fast and reproduce by spores.
What are fungi?
400
This term describes vertebrates with smooth, moist skin who start their life in the water but eventually live on land.
What are amphibians?
400
Compared to warm-blooded animals, cold-blooded animals do not have this ability.
What is maintaining a constant, internal temperature?
400
This type of soft-bodied invertebrate sometimes has a hard outer shell.
What is a mollusk?
400
Clue 1: lack tissues and organs Clue 2: lack symmetry Clue 3: many are sessile
What are sponges?
400
This tool would be most useful for studying bacteria.
What is a microscope?
500
This term describes animals that have two similar halves.
What is bilateral symmetry?
500
This type of mammal has a unique characteristic; it carries its young in a pouch.
What is a marsupial?
500
Many invertebrates are sessile, which means this.
What is they stay in one place, not moving?
500
Clue 1: vertebrate Clue 2: lay eggs in moist places Clue 3: salamanders and newts, for example
What are amphibians?
500
All organisms can be classified into these six categories.
What are archaebacteria, eubacteria, protists, fungi, plants, and animals?