Vocabulary-01
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Unit 08 :
Invertebrates

 

Vocabulary

Let’s learn about different words related to invertebrates!

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Part 1

1. carapace /ˈker.ə.peɪs/
(n) a hard layer that covers and protects animals  such as crabs and turtles 

2. polyp /ˈpɑː.lɪp/
(n) a small, simple, tube-shaped water animal 

3. sessile /ˈses.əl/
(adj) used to refer to a leaf or flower that has no stem of its own but is attached directly to the main stem of the plant, or to refer to a plant or tree that has such leaves or flowers 

4. thorax /ˈθɔːr.æks/
( n) in humans and animals, the middle part of the body below the neck and above the waist

5. mantle /ˈmæn.t̬əl/
(n) a layer of something that covers a surface 

6. ectoderm  /ˈek.tə.dɝːm/
(n) the cells in the embryo (= growing organism before it is born) of a human or animal that develop into skin, hair, and the nervous system

7. invertebrate /ɪnˈvɝː.t̬ə.brət/
(n) an animal with no spine

8. metamorphosis /ˌmet̬.əˈmɔːr.fə.sɪs/
(n) the process by which the young form of insects and some animals, such as frogs, develops into the adult form 

9.invertebrate /ɪnˈvɝː.t̬ə.brət/
(n) an animal with no spine 

10. mandible /ˈmæn.də.bəl/
(n) in insects, one of the two parts of the mouth used for biting and cutting food

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Exercise 1

Match the correct meaning to each vocabulary.

1. invertebrate___          2. metamorphosis___      3. ectoderm___          4. thorax___          5. polyp____

a) in humans and animals, the middle part of the body below the neck and above the waist

b) the process by which the young form of insects and some animals, such as frogs, develops into the adult form 

c) the cells in the embryo (= growing organism before it is born) of a human or animal that develop into skin, hair, and the nervous system

d) an animal with no spine

e) a small, simple, tube-shaped water animal

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Part 2

11. spinneret /spɪn.əˈret/
(n) an organ that produces the sticky silk thread that spiders and caterpillars use  to make webs and cocoons 

12. trachea /ˈtreɪ.kiə/
(n) the tube that carries air from your throat to your lungs 

13. pupa /ˈpjuː.pə/
(n)
an insect in the stage of development after it has been a larva and before it becomes an adult, during which it is contained in and protected by a hard covering and does not move

14. larva /ˈlɑːr.və/
(n) a form of an insect or an animal such as frog  that has left its egg  but has not yet developed into a pupa or adult insect or animal 

15. molt /moʊlt/
(v) (of a bird or animal ) to lose feathers, skin, or hair as a natural process before a new growth of feathers, skin, or hair 

16. spiracle /ˈspaɪ.rə.kəl/
(n) in an insect or spider, one of the small holes that allow air  in and out through the surface of the body

17. exoskeleton /ˌek.soʊˈskel.ət̬ən/
(n) a hard outer layer that covers, supports, and protects the body of an  invertebrate animal such as an insect or crustacean 

18. endoskeleton /ˌen.doʊˈskel.ə.t̬ən/
(n) a hard frame that supports the body of a vertebrate animal on the inside, made of bone or cartilage  (= strpong tissue)

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Exercise 2

Describe the pictures with your teacher.