What is a vertebrate?
An animal with a backbone
What is the second stage in a butterfly's life cycle called?
Is playing soccer a learned behavior or an instinct?
learned behavior
Which animal group includes cold-blooded vertebrates with dry, scaly skin?
reptiles
Define: inherited trait
a feature that is passed down from parents
What are the stages of a butterfly's life cycle in order?
egg, larva, pupa, adult butterfly
Name an example of an inherited trait
eye color, hair color, skin color, height
What do sea jellies, earthworms and spiders all have in common?
They are invertebrates (no backbone)
What is the definition of an instinct?
A behavior animals are born knowing how to do
How is the birth of a snake different from the birth of a bear?
A snake hatches from an egg outside the mother's body and a bear is born alive
Which is an example of an instinct?
a) rowing a boat
b) reading
c) hibernating
d) having curly hair
c) hibernating
Which type of animal has mostly live births?
mammals
What is an arthropod?
An animal with a hard covering on the outside of it's body
What 2 things happen during the pupa stage of a butterfly?
1. forms a chrysalis
2. changes form and develops wings
Name 2 examples of acquired characteristics
pierced ears, scars, dyed hair, broken bones, sunburn, tattoos
How would you classify an octopus?
a) amphibian
b) mammal
c) arthropod
d) mollusk
e) reptile
d) mollusk
What is it called when an animal changes form during it's life cycle?
Give an example
metamorphosis
example: tadpole changes to a frog or caterpillar changes to a butterfly
Name 2 things that changes when a tadpole becomes a frog.
1. loses gills and develops lungs
2. loses its tail and grows legs
Name 1 way the inherited color of an animal's body covering can help the animal and how it can hurt the animal.
help: blend in to it's environment to help avoid predators
hurt: stick out in environment so it's easier for predators to spot
Name 3 traits of mammals
1. mother's body provides milk to her baby
2. fur covering body
3. live births
4. vertebrates
5. don't go through metamorphosis (babies look similar to adults)