More than 90 percent of animal species are without backbones. These species are known as ________.
Correct Answer:
Verified
Q125: The treeline at 40° S is at
Q130: Adret and ubac are opposites.
Q133: The mobility of animals makes them, as
Q146: The three "seasons" in the savanna are
Q148: Wallace and Sclater are the two scientists
Q149: _ are organisms of one species that
Q150: The great majority of mammals are classified
Q152: Birds are thought to have evolved from
Q153: Usually, plants are not considered "motile."
Q156: The general sequential trend of plant succession
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents