Invertebrates
What does the word "invertebrate" mean?
No backbone.
What does the word "vertebrate" mean?
An animal with a backbone.
What does the digestive system do?
It breaks down food.
What vocabulary word describes how long an animal lives?
Life span
What is the simplest invertebrate?
Sponge
What does the excretory system do?
It removes wastes.
What is instinct?
A way of acting that an animal does not have to learn.
Squid and octopi are part of what invertebrate group?
Mollusk
What are the seven classes of vertebrates?
Cartilaginous fish, jawless fish, bony fish, reptiles, amphibians, birds, and mammals.
What are the two things the skeletal system does for you?
It protects your organs and works with the muscular system to move your body.
Budding and regeneration
Name the four arthropod groups.
What are the two warm blooded members of the vertebrate group?
Birds and mammals
How do the circulatory system and the respiratory system work together?
They both help to get oxygen to the cells of the body and remove carbon dioxide.
What are the four stages of complete metamorphosis?
Egg -> Larva -> Pupa -> Adult
What are the eight invertebrate groups we studied?
They are mollusks, cnidarians, sponges, echinoderms, flatworms, roundworms, segmented worms, and arthropods.
Most mammals give birth to live young. However, what are two other ways that mammals give birth? Give an example of a mammal from each group.
Platypus lay eggs and kangaroos carry their young in a pouch.
What does the nervous system of vertebrates consist of?
A brain, spinal cord, nerves, and sense organs.
What is the difference between incomplete metamorphosis and complete metamorphosis?
Complete metamorphosis has separate and distinct stages whereas incomplete involves slowly changing and molting its exoskeleton.