Chapter 9 Flashcards
(20 cards)
Which vertebrate group lays eggs and has feathers
Bird
Which of these animals has a radial symmetry
A sea anemone
An animal that has a backbone is called
Vertebrate
What is a characteristic of many invertebrate groups
Exoskeleton
Major functions of animals include obtaining food and oxygen, keeping internal conditions stable,movement, and
Reproduction
If an animal is an ectrotherm, it has
A body that does not produce much internal heat
At some point in their lives, all chordates have a flexible supporting rod in their backs are called
Notochord
When the temperature of the environment changes the body temp of a reptile
Changes
What does the backbone surround and protect in a vertebrate
The spinal cord
Which of the following is a charteristic shared by all animals
Their bodies have many cells
mammals and ____________ are two groups of vertebrates that are endotherms
Birds
an animal may have raidal symmetry depending on the tempatrure of its
No
Animals in the mammal group called ________ allow their young to develop in a pouch on their mother’s body
marsupials
Classifying animals in lnvolves comparing their ___________ a chemical that controls
An organisms inherited charertiscs
Dna
A type of worm with many linked sections is a flat worm
F, segment worm
The nerve cord is a flexible rod that supports chordates back
F, Notochord
If only one line can divide an object image halves, the object is said to have radical symmetry
F, Bilateral`
Animals must maintain a stable environment winthin their body’s
T
Most animals are invertrbrates
T
An ectotherms body temperature changes depending on the temperature of its
Environment
