jueves, 18 de febrero de 2010

13.3 Birds meet their needs on land, in water, and in the air.

Vocabulary: endotherm, incubation

13.3 Review
1. Endotherms need to consume food to produce body heat.
2. Down feathers provide insulation. Contour feathers protect the body.
3. feathers; fused and hollow bones, air sacs, crop and gizzard, keen sight and hearing
4. Both birds and reptiles lay eggs with shells. Bird eggs have hard shells while the shells of reptiles´ eggs are flexible. Most reptiles do not incubate their eggs.
5. Flight requires a great deal of energy. If food was plentiful and there was little threat of predation, the birds may no need to fly.

50 comentarios:

  1. I learned that birdas have 4 chamber heart, scales on feet and legs (that's interesting)and also that birds migrate for food, reproduction and warmth.


    Thanks,

    Sofia Kharissova 7A #2

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  2. i didn;t knew that the penguin was a bird, and the ostriches and the emus

    thanks

    paola arizpe 7e #2

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  3. Thank you Ms. Silivia for the presentation.
    I learn that the birds have 4 chamber heart, and the rest I all ready know it.

    Arylu Cantu Treivño
    7ºB #7

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  4. I leadned that the birds have many sizes and shape and that some cant fly like the penguins x(

    Jose Heberto 7D #9

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  5. I learned that birds are vertebrates and
    have two kinds of wings.

    Mariana Santos Lozano 7b #25

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  6. now i know the 4 caraqcteristics of birds,and that penguins,ostriches&emus dont fly. and that are 2 types of feathers.

    maggy fuentes 7E#7

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  7. Ms. Silvia now i know how do the birds fly because it was intresting that the top has less air pressure and that produces an upward force.

    -Nelda 7a #1

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  8. Thanks for the video, now I know that all the birds share 6 characteristics: all are endothermics(that means that its temperatue doesn´t changes,it is always warm), all are vertebrates, all have a 4 chamber heart, all have feathers, all lay eggs, and all have scales on feet and legs.

    Jorge De la Fuente #9 7°A

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  9. Wow now I know the six caracteristics of birds very well:
    1.Endothermic
    2.Vertebrates
    3.4 Chamber heat
    4.Have feathers
    5.Lay eggs
    6.Have scales on feet and legs

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  10. I know that they are two types of feathers, the down and the contour fethears, each one has a characteristic, the down feathers keep the bird warm and the contour gives shape to the birds body.

    Estefania Rodriguez 24 7C

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  11. now i understand contour and down feathers
    miguel ortiz 7d #20

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  12. Thanks mis now I noy the six caracteristics of birds and 3 kinds of birds that can`t fly

    sofia albalate #2 7B

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  13. Miss, I learned that the birds also had a 4 chamber heart and I found interesting how the birds make it to fly.

    Raul Hernandez #14 7B

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  14. Thanks Miss for the presentation I learned that some birds can fly and some that not and I learned different types of brids:D


    Carolina Cantu Gamboa 7B #6

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  15. Miss i learned how they fly by lift, & that countur feather, give the shape to birds.

    Mariana Peña
    20 7C*

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  16. Ms Silvia
    Ilearnd that the bids have two kinds of feathers the countur and the down featherswho help some birds to fly

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  17. I learned that birds are endothermic, which means that they keep a constant body temperature. I also learned that birds that cannot fly are the penguin, the emus & the ostrich.

    Ana S. Valadez L#29 7D

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  18. Birds migrate for food,reproduction and warmth.


    Sergio Quintanilla 7D #21

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  19. i didnt knaw that they have a 4 chamber heart and it was interesting to see how the birds fly =) luis alan 15 7B :)

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  20. wow i dindt know that birds had a 4 chamber heart! that is very interesting!!!!
    thankyou for the presentaton

    jorge burnes 7D 4

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  21. i didnt know that there were only three types of birds who couldnt fly
    alan venegas 29 7E

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  22. I give a review to what we have seen, but ms,in the presentation says that if all birds have feathers, ¿do penguins have feathers?
    Enrique Navarro 7°C #17

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  23. thanks miss, i learned what is the lift,and what birds do not fly

    maria elena zambrano

    7b #30

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  24. Barbara Gonzalez #11 7C

    Miss i learned about the types of feathers the down and contour. Also the 6 characteristics of birds.

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  25. Este comentario ha sido eliminado por el autor.

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  26. I learned that all birds have wings, although not all can fly. I also learned that the birds have scales on their feet and that the sallest type of bird is the hummingbird.

    Adrian Cantú 7A NL.4

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  27. I learn that birds have 4 chamber hearts, and that the top of a bird has less air perssure and produces an upward force.
    Alfonso. Gzz 7C

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  28. Este comentario ha sido eliminado por el autor.

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  29. I learned that birdas have 4 chamber heart and that have wings and the scales on their feet and that the sallest type of bird is the hummingbird.

    karina lozano 7B

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  30. Miss wth th video I learn more things about the bired like another bird that don´t fly, that was the Emus and also the biggest and the sallest one of all that are the Ostrich: the biggest one and the Hummingbird: the smallest one. Also I learn how are their wings to make them fly.
    All was very interestant.

    Asahel Zermeño #29 7A

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  31. ms
    i didn't know the smallest bird.
    thank you

    Dong 7th A #7

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  32. thanks teacher; Ididnt knew that about tha 4 chamber heart, but is that a characteristic or other animals have it too

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  33. Miss Silvia, I didn't know that birds migrate to reproduce, I thought they only migrated for food & warmth.

    Susana de la Garza 7D #11

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  34. Miss Silvia:

    I learned of another bird that I didn't know neither its name and even less that it didn´t fly, it was called the Emus. I also found interesting how birds, well, some birds make it to fly.

    David Alans 7th B #1

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  35. Mrs. silvia, I didn`t know that birds have scales on their feet and legs, and that they have a 4 chamber heart. Also, the bird called Emus, it`s a little bit strange and can not fly. Thank you for the video

    Lucia Regules 7c 22

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  36. Miss I learned that the hummingbird is the smallest bird. And I learnt that the emus is a bird that it don't fly.

    David Gzz 7A #16

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  37. miss I didn´t know about how birds can fly, but
    now I know. thanks miss

    maria jose reyes 7°B #21

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  38. Nataly Ontiveros 7B #20
    miss now I can now for what does the feathers work and what does they needed thank you miss

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  39. i didnt knew about the 4 chamber heart nad i didb´t knew about how the fly y thought they only move their wings and they fly thank you miss

    jose andres salazar 7e #23

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  40. thanks miss now I know how birds fly

    Andrea Rivera:) 7E

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  41. Miss, is good to know that birds are
    4 chamber heart, how their feathers work,
    and how they can fly...

    I like it... Thank You

    Erica Gonzalez....7.A .13

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  42. Este comentario ha sido eliminado por el autor.

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  43. i didn't know some characterisitc of the birds & i thought that all feathers were the same kind
    thanks miss this is an easier way that i can understand it better (:

    Caro Carrera 7D #8

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  44. Raul VIllarreal 7B #29
    The birds have two pairs of wings contour and down feathers the down keep warm air and contour protect them form water

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  45. Thankyou miss now i know that they are two types of feathers.....

    Alfonso del castillo 7ºD #10

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  46. Miss Silvia, I learned that there are 2 types of feathers and that there are many different kinds of birds, from which some cant fly.

    Ricardo Gonzalez #13 7°C

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  47. Miss now I know how feathers of birds work to warm them.


    OSCAR CAVAZOS 7C #3

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  48. mauricio flores andrino (mafa) 7thb ln9

    miss i learned that not just humans migrate
    tanks for the information it was a huge help

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