Level T
Summary: Most of the animals on Earth are invertebrates, which vary in size , shape, and color.
Vocabulary:
segment
a part of a whole
typically
normally
ranges
spans
invertebrates
animals without a spinal column
species
a group of related animals
myriapods
Myriapods have one pair of antennae and mandibles like insects do; however, unlike insects, Myriapods do not have compound eyes. All Myriapods have a head and a multi-segmented trunk, with multiple legs running down either side of their body. Centipedes and millipedes are examples of Myriapods.
colony
a group of animals or plants of the same species that live in one place.
Focus Question: What characteristics do invertebrates share, and what makes invertebrates such a diverse group of animals?
Key Ideas:
How do scientists define invertebrates?
Animals without backbones
How large a percentage of Earth's animal species fit into the invertebrate category?
95-99%
What six groups of invertebrates are shown?
Mollusks - Arachnids - Insects - Crustaceans - Myriapods - annelids
What do these details suggest about the importance of invertebrates?
The number and diversity suggests that they play an important part in our environment.
Compare and Contrast:
To what group does the spider belong?
arachnids
To what group does the crab belong?
crustaceans
What do these two invertebrates have in common?
Have eight segmented legs - Eyes - Bodies
How do they differ from the snail and the worm?
Legs/no legs - lives in a shell - no eyes
Text features:
How do the photos and the text help you define a myriapod?
The photo shows animals with many legs and the subheading on the back states - "Love Those Legs". Also, the text states they have 18-750 legs.
What kind of invertebrates do some people eat?
lobster - shrimp - crabs - crayfish
To what group do they belong?
crustaceans
How does the author make this information engaging?
The pictures - Interesting information - Catchy titles
Make Inferences:
What does the broad presence of invertebrates all over the globe lead you to conclude about the sturdiness of this group of animals?
That they are a very resilient and strong group.
Vocabulary:
Is a flea a large or small invertebrate?
small
What words in the text support your answer?
minibeasts
Connections:
To what invertebrate group do earthworms belong?
annelids
How do you know?
They are pictured in that group.
Final Questions:
In what ways are invertebrates like vertebrates?
In what ways are they different?
Do you agree or disagree with the author that invertebrates are incredible?