science 6

science 6

quarter 3_week 4​

Miss Lovely V. Trogon

invertebrates

science 6

quarter 3_week 4​

Ma'am Nerissa B. Ramos

invertebrates

Qrt 3_Week 4_Invertebrates

Multiple Choice

1. _______ are also called poriferans.

• cnidarians

• flatworms

• sponges

• segmented worms

Multiple Choice

2. They live under rocks or burrow into the soil to get food.

• sponges

• cnidarians

• flatworms

• segmented worms

Multiple Choice

3. They are found in the water, in the soil, or in other plants and animals as parasites.

• roundworms

• annelids

• flatworms

• cnidarians

Fill in the Blanks

Fill in the Blanks

Qrt 3_Week 4_Invertebrates

​Molluscs

​ Molluscs occupy a vast range of aquatic and terrestrial habitats.

They include the shellfish you eat and the snails you see in the garden.

Most molluscs have shells that protect their soft bodies.​

Qrt 3_Week 4_Invertebrates

​MOLLUSCS

• ​Univalve

​SNAIL

​only have one shell.

​

Qrt 3_Week 4_Invertebrates

​MOLLUSCS

• ​Bivalve

​They have two shells.

​

​CLAMS

​OYSTERS

​SCALLOPS

​MUSSELS

Qrt 3_Week 4_Invertebrates

​Echinoderms

​ -are spinny-skinned aquatic animals.

-they do not have a head end or a tail-end.

-most of them preferring to stay at the

bottom of the sea.​

Qrt 3_Week 4_Invertebrates

​ECHINODERMS

​STARFISH

​SAND DOLLAR

Qrt 3_Week 4_Invertebrates

​Arthropods

​ -from the largest group of any animals

-some of them are even able to fly

-they have outer body covering called

exoskeleton​

Qrt 3_Week 4_Invertebrates

​Arthropods

​ -insects are arthropods

-crustaceans are a group of arthropods

with two pairs of antennae

-spiders are usually called arachnids

-centipedes and millipedes are segmented

arthropods​

Qrt 3_Week 4_Invertebrates

​Arthropods

​ -insects are the largest group of arthropods

-they undergo a life cycle wherein they

change in form, behavior and sometimes

even habitat. This cycle is called

metamorphosis. ​

Qrt 3_Week 4_Invertebrates

Qrt 3_Week 4_Invertebrates

METAMORPHOSIS

Qrt 3_Week 4_Invertebrates

ACTIVITY

Multiple Choice

1. Can undergo metamorphosis. which of the following does not belong to the group.

• butterfly

• frog

• mosquito

• turtle

Multiple Choice

2. All of them are crustaceans, except for one.

• shrimp

• sea urchin

• crab

• lobster

Multiple Choice

3. Which of the following is not an example of insect?

• house spider

• grasshopper

• cricket

• house fly

Multiple Choice

4. All of them live in marine environments.

• flatworms

• molluscs

• echinoderms

• arthropods

Multiple Choice

5. They have jointed legs.

• arthropods

• echinoderms

• molluscs

• sponges