Author Question: Organisms that lack a rigid internal skeleton for the attachment of muscles but may posses a hard, ... (Read 53 times)

joe · **on:** Aug 22, 2018

Organisms that lack a rigid internal skeleton for the attachment of muscles but may posses a hard, protective outer covering are ________.
a. invertebrates
b. vertebrates
c. fishes
d. plankton

Question 2

The group of marine mammals that are named because of their fanciful resemblance to mermaids is order Carnivora.
Indicate whether the statement is true or false