sábado, 11 de junio de 2011

Vocabulary N°3 "Complex Invertebrates"

1. Jointed leg animal: an invertebrate with an outside skeleton, bilateral symmetry, and  jointed appendages.

2. Appendage: a structure that grows out of an animla body.

3. Exoskeleton: an skeleton on the outside of the body.

4. Molting: shedding an skeleton.

5. Compound eye: eyes with many lenses.

6. Antennae: appendages of the head that are used for sensing, smell, and touch.

7. Spiny skin animals: an invertebrate with a five part body design, radial symmetry, and spines.

8. Tube feet: parts of a starfish that are like suction cups and help the starfish to move, attach to rocks, and get food.

9. Chordate: an animal that, at some time in its life has a though, flexible rod along its back.

10. Endoskeleton: skeleton on the inside of the body.

11.Cold blooded: having a body temperature that changes with the temperature of the surrounding.

12. Gill: a structure used by fish and some other animals to breathe in water.

13. Jawless fish: fish that have no jaw and are not covered with scales

14. Cartilage: a though, flexible tissue that supports nd shapes the bodies of some fish and some animal pats.

15. Cartilage fish: jawed fish in which the entire skeleton is made of cartilage.

16. Bony fish: fish that have skeleton, made mostly of bone.

17. Amphibian: animal that lives part of his life in water and other part in land.

18. Hibernation: the state of being inactive during cold weather.

19. Reptile: an animal that has a dry, scaly skin and can live on land.

20. Warm blooded: having a body temperature that is controlled so that it stays about the same no matter the temperature of the surrounding.

21. Mammal: an animal that has hair and feed their young milk.

22. Mammary glands: body parts that produce milk.

jueves, 26 de mayo de 2011

Vocabulary N°2 "Simple Animals"

1. Vertebrate: animal with backbone.

2. Invertebrate: animals without a backbone.

3. Symmetry: the balanced arrangement o body parts around a center point or along a center line.

4. Sponge: simple invertebrates tha have pores.

5. Pore: small opening.

6. Stinging- cell animals: animals with stinging cell and hollow, saclike bodies that lack organs.

7. Tentacle: armlike part of a stinging-cell animal.

8. Flatworm: simplest worm with flattened body.

9. Tapeworm: a kind of flatworm with a flattened, ribbonlike body divided into sections.

10. Cyst: a young worm with a protective covering.

11. Planarian: a common freshwater flatworm that is not a parasite.

12. Roundworm: worm that have long bodies with pointed ends.

13. Hookworm: roundworm that is a parasite to humans.

14. Anus: opening through which undigested food leaves the body.

15. Segmented worm: worms with body divided into sections called segments.





viernes, 13 de mayo de 2011

Vocabulary N°1 "Plants"

1. Chlorophyll: a chemical that gives plants their green color and traps sunlight.

2. Photosyntesis: the process in which plants use water to, carbon dioxide, and energy from the sun to make food.

3. Vascular plant: plants that have tubelike cells in their roots, stems, and leaves to carry food and water.

4. Nonvascular plant: plants that don´t have tubelike cells in their stems and leaves.

5. Moss: a small, novascular plant that has both, stems and leaves, but not roots.

6. Sexual reproduction: the forming of a new organism from the union of two reproductive cells.

7. Egg: a female reproductive cell.

8. Sperm: a male reproductive cell.

9. Fertilization: the joining of the egg and sperm.

10. Xylem: cells that carry water and dissolved minerals fro the roots to the leaves.
 11. Phloem:  cells that carry food that is made in the leaves, to all parts of the plant.
 

12. Fern: vascular plant that reproduces with spores.

13. Seed: a part of a plant that contains a new, young part and stored food.
 

14. Embryo: an organism in its earliest stages of growth.
 

15. Conifer: a plant that produces seeds in cones.
 

16. Pollen: the tiny yellow grains of seed plants in which sperm develop.
 

17. Flowering plant:  a vascular plant that produces seeds inside a flower.
 

18. Flower: the reproductive part of a flowering plant.