Which of the following is a vertebrate?
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A: crab
No. Crabs have an exoskeleton. They are arthropods, which are invertebrates. -
B: starfish
No. Starfish do not have a vertebral column or a notochord. They are echinoderms, which are invertebrates. -
C: fly
No. Flies have an exoskeleton. They are insects, which are invertebrates. -
D: tadpole
Yes! Tadpoles are amphibians. They have an internal skeleton, which includes a vertebral column. They are vertebrates.
Click to see which state standards this question tests, and which of my videos, experiments, and other resources support that topic.
Florida
SC.3.L.15.1 Classify animals into major groups (mammals, birds, reptiles, amphibians, fish, arthropods, vertebrates and invertebrates, those having live births and those which lay eggs) according to their physical characteristics and behaviors.
| Feathers | video, checked |
| A Walk in the Park | video, checked |
| Scientific Names | video, ClosedCaptions |
| Review Classify-2 | practice |
| Review Classify-1 | practice |
| Review Classify-3 | practice |
SC.6.L.15.1 Analyze and describe how and why organisms are classified according to shared characteristics with emphasis on the Linnaean system combined with the concept of Domains.
| Scientific Names | video, ClosedCaptions |
| Review Classify-2 | practice |
| Review Classify-1 | practice |
| Review Classify-3 | practice |
Utah
UT.4.V.3.b Use a simple classification system to classify unfamiliar Utah plants or animals (e.g., fish/amphibians/reptile/bird/mammal, invertebrate/vertebrate, tree/shrub/grass, deciduous/conifers).
| A Walk in the Park | video, checked |
| Scientific Names | video, ClosedCaptions |
| Review Classify-2 | practice |
| Review Classify-1 | practice |
| Review Classify-3 | practice |
UT.7.V.2.c Generalize rules for classification.
| Scientific Names | video, ClosedCaptions |
| Review Classify-2 | practice |
| Review Classify-1 | practice |
| Review Classify-3 | practice |