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9 questions
How do scientists divide the animals into two main groups?
Animals are grouped by whether or not they have backbones
Animals are grouped by their colors
Animals are grouped by the size they are
Animals are grouped by their characteristics
How do nematocysts help some animals get food?
How do cephalopods move?
Echinoderms eat (a) (b) or they are (c)
Match the meaning to the word
Independent of other organisms | Parasites | ||
Live on or in other living organisms | Free-living worms | ||
Divided down the middle | Bilateral symmetry |
Two characteristics of arthropods
Why is a spider not an insect?
A spider has eight legs and only two body parts.
How are fish and amphibians alike?
They are both cold-blooded and have gills for respiration.
What does amphibian mean?
Double life
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