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