All About Animals Study Guide Flashcards
(25 cards)
When body parts that cut off grow back
Regenerate
Animals that have a backbone or spine
Invertebrates
Bodies that are divided into parts
Segmented
Animals without a backbone or spine
Vertebrates
When there is a repeating pattern around a central point
Radial symmetry
To sort them into groups
Classify
Invertebrates are animals that have
No backbones
Invertebrates have _____________________ bodies
Symmetrical
Which invertebrates that live underwater have a mouth and stinging tentacles that are used to stun their prey
Jellyfish
Snails squids and slugs are all examples of
Mollusk
Worms body parts _________________________ or grow back if they are cut off
Regenerate
The largest and most diverse of all the invertebrates are the ________________. This group is so large that it is broken up into 4 subgroups
Arthropods
All arthropods have hard exoskeletons, segmented bodies, and ________________.
Many joined legs
Crabs,shrimp, and lobsters are examples of _____________________.
Crustaceans
Arachnids, such as spiders, have ____________________ legs
8
Less than 5% of all animals are invertebrates
F
All mollusks have shells
F
Jellyfish, corals, sea anemones, and hydras are all examples of cnidarians
T
Arthropods have many jointed legs
T
Cnidarians have radial symmetry
T
Invertebrates only live in the ocean
F
A live lobster found in the ocean is red in color
F
Arachnids can be found in every continent except Antarctica
T
Insects can help humans
F