What is the main difference between vertebrates and invertebrates?
Vertebrates have backbones and invertebrates do not have backbone. These are the two main classification groups for animals.
300
Tortoise
Reptile
300
Insects, spiders, and crabs are all arthropods. They are also _______________.
Invertebrates
400
No head, tubelike feet; starfish are in this group
Echinoderms
400
Dark peppered moths cling to trees covered in black soot from factories. If the factories were banned from producing soot and smoke, what might happen to the dark peppered moths?
If factories no longer produced soot, dark peppered moths would become more visible and would be eaten by predators.
400
Give the correct order for classifying animals.
Kingdom, Phylum, Class, Order, Family, Genus, Species
400
Octopus
Mollusk
400
Shark's skeletons are made of _____________.
Cartilage
500
Segmented body; earthworms are in this group
Annelids
500
Who is the "King of Camouflage?"
Cuttlefish
500
Why is animal diversity important?
When an environment changes, only animals that can adapt will survive. Diversity keeps healthy, strong traits and removes harmful traits.