TREE IDENTIFICATION
IDENTIFICATION KEYS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
____ has no spinal chord
|
|
|
____ has no legs and no tail
|
|
|
____ has a spinal chord
|
|
|
____ has legs and a tail
|
Detailed explanation-1: -vertebrate is an animal with a backbone. (An invertebrate is an animal without a backbone.) Fishes, amphibians, reptiles, birds, and mammals, including humans, are all vertebrates.
Detailed explanation-2: -A vertebrate is an animal that has a backbone and a skeleton. Vertebrate animals include humans. When you think about vertebrates, think about bones: this word has to do with animals that have a lot of bones, in the form of a skeleton. It especially refers to animals with a backbone, which protects their spinal cord.
Detailed explanation-3: -A vertebrate is an animal with a spinal cord surrounded by cartilage or bone. The word comes from vertebrae, the bones that make up the spine. Animals that are not vertebrates are called invertebrates. Vertebrates include birds, fish, amphibians, reptiles, and mammals.