Animal Sorting Ecosystem

Every species of animal can be sorted into one of two very large groups. Select the names of the two groups.

Amazing fact! One of these groups contains about 90% of all the different animal species on Earth.

• reptiles

• vertebrates

• humans

• invertebrates

A vertebrate is an animal that has a _________?

Amazing fact! There are over 6 million species of animal in the world, but only 10% of them are vertebrates.

• head

• skeleton

• backbone

• brain

Tags

CCSS.RI.3.5

CCSS.RI.4.5

CCSS.RI.2.5

CCSS.RI.1.5

CCSS.RI.5.5

How many groups can the vertebrates be further divided into?

• 2

• 4

• 5

• 7

• ∞

I start my life in the water, but when I mature I move onto land. I am born with gills but develop lungs as I grow. I am cold-blooded and therefore do not create my own heat. I have moist smooth skin, through which I breathe oxygen from water as an adult. What am I?

• fish

• bird

• mammal

• amphibian

I breathe oxygen from the air using my lungs. I lay my eggs on land. I'm cold-blooded, so I cannot create my own heat. I have dry, scaly skin. What am I?

• reptile

• mammal

• bird

• amphibian

I live on land, but some of us live in water. I breathe oxygen from the air using my lungs. I have fur on parts of my body. I give live birth and feed my young milk. I am warm-blooded as I produce my own heat, allowing me to stay active in cold climates. What am I?

• bird

• amphibian

• mammal

• fish

I have feathers that cover my body. I have wings instead of arms or legs. I have a beak for a mouth. I lay eggs and I am warm-blooded. What am I?

• bird

• fish

• mammal

• reptile

Tags

CCSS.RI.3.5

CCSS.RI.4.5

CCSS.RI.2.5

CCSS.RI.1.5

CCSS.RI.5.5

I use my gills to breathe, so I must stay in the water my whole life. I have fins instead of arms and legs, and I have scales on my skin. I lay eggs and I'm cold-blooded. What am I?

• bird

• mammal

• reptile

• fish

Which animal(s) are birds?

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• 
• 
• 
• 

Which animal(s) are mammals?

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• 
• 
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