Animal Classification

Question

Question 1
You have begun to study the kingdoms in science class. Your group has been assigned to develop a dichotomous key to classify various animals. One group member came up with the key you see here. It is a good start, but some features are lacking. The first choice you make when using the key is between invertebrate and vertebrate. Review the phyla listed under invertebrates. What would be a good second choice when trying to classify an animal that is an invertebrate?
Responses
A legs or no legslegs or no legs
B aquatic or terrestrialaquatic or terrestrial
C exoskeleton or no exoskeletonexoskeleton or no exoskeleton
D body segments or no body segments

Answer 1

C exoskeleton or no exoskeleton

Answer 2

sbody segments or no body segments
Question 2

Your group continues to classify invertebrates. You are given this speccing as well as this short dichotomous key. Based on the characteristics, what is this invertebrate?
Responses
A beetlebeetle
B flyfly
C lobsterlobster
D spider

Answer 3

Without the specific characteristics mentioned in the question and the dichotomous key, it is not possible to determine the exact invertebrate in question.

Answer 4

Your group continues to classify invertebrates. You are given this speccing as well as this short dichotomous key. Based on the characteristics, what is this invertebrate?
Responses
A beetlebeetle
B flyfly
C lobsterlobster
D spider

Answer 5

Unfortunately, without the specific characteristics mentioned in the question and the dichotomous key, it is still not possible to determine the exact invertebrate in question.