Lesson 1 (What defines an animal?)
About how many species of animals are there?
1.5 million
How much percent of animals are invertebrates?
95%
What is the kingdom for animals called?
Animalia
Cannot be divided into any 2 parts that are nearly mirror images of each other
Asymmetry
An animal that can be divided into 2 parts that are nearly mirror images of each other
Bilateral symmetry
Animals have a protein called _________ that surrounds the cells and helps them keep their _________
Collagen shape
Animals ________ their food
Digest
Animals get _______ by eating __________ organisms
Energy orgainisums
Animals have different cells for different ________
Functions
An animal without a backbone
Invertebrate
Animals are ____________ and __________
Multicellular eukaryotic
How do scientists divide the animal kingdom up?
Phylum
Can be divided into 2 parts that are nearly mirror images of each other anywhere through its central axis
Radial symmetry
Asexual or sexually
Sexually
An animal with a backbone
Vertebrate
