1. Warmup min.
In the following sentences, underline the nouns, circle the verbs, and draw a line between the complete subject and complete predicate
Matter exists in four states: solids, liquids, gases and plasmas.
Matter undergoes a physical change.
Correct all errors in capitalization, punctuation, spelling, and usage. The number in the ( ) tells how many errors are in each sentence.
a solid can bee turned into a liquid and then back into a solid (4)
a change in the matters size or shape are also a physical change (4)
Sometimes two different types of matter can be combined to force a physical change.
5. Combined means (a) separate (b) joined (c) changed

2. 1. Sponges (porifera) – simple animals
6 types of invertebrates
1. Sponges (porifera) – simple animals
simplest structure of all animals.

3. 2. Arthropods – hard shell/jointed limb animals
more than all other animals combined
Three main types
Crustaceans – crabs, lobsters
Insects – bees, flies, beetles, ants
Arachnids – spiders, mites, scorpions

4. 3. Echinoderms – spiny skinned animals
“Spiny and five” – spiny, rough body with five parts.
Examples
starfish, sea urchins
sand dollars, sea cucumbers

5. 4. Mollusca – soft bodied animals
Squishies
Examples
octopus, squid, oyster,
mussel, clams, snails

6. 5. Cnidarian – stinging cells
Jellyfish, sea anemones, coral

7. 6. Worms Three main types Annelids – segmented worms (earthworm)
Platyhelminthes – flat worms
Nematode – round worms

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