Porifera
Porifera or sponges are aquatic animals
and most of them are marine. They are attached to sand or rocks.
Cnidaria
Are aquatic animals and most of them are
marine. For example, jellyfish,coral, sea anemones and hydra are cnidarian
Worms
The term worm includes animals with a
soft, elongated body, without skeleton. The most important ones are
platheyelminthes, nematodes and annelids.
ACTIVITIES:
1. Which of the following statements are true (T) and which are false (F)?
- In oviparous animals, the egg develops inside the mother’s body.
- Porifera live freely, floating on sea water.
- Corals are porifera with the shape of a polyp and a skeleton.
- Budding is a kind of sexual reproduction.
- Cnidaria reproduce sexually and develop from eggs.
- In viviparous animals, the embryo develops inside the mother’s body.
- Medusae are porifera without pores.
- Swimming medusa have an umbrella shape.
- Asexual reproduction happens through internal fertilization.
- Porifera can reproduce sexually or asexually.
2. Classify the next picture in platheyelmintes, nematodes or annelids:
1
2
3
I am Minerva Fábregas and here are the answers:
ResponderEliminar1.- 1: False 2: False 3: True 4: False 5: True
6: True 7: False 8: True 9: False 10: False
2.- 1: Platheyelmintes 2: annelids 3: nematodes
1. Which of the following statements are true (T) and which are false (F)?
ResponderEliminarIn oviparous animals, the egg develops inside the mother’s body. TRUE
Porifera live freely, floating on sea water. FALSE
Corals are porifera with the shape of a polyp and a skeleton. TRUE
Budding is a kind of sexual reproduction. FALSE
Cnidaria reproduce sexually and develop from eggs. FALSE
In viviparous animals, the embryo develops inside the mother’s body TRUE.
Medusae are porifera without pores. FALSE
Swimming medusa have an umbrella shape. TRUE
Asexual reproduction happens through internal fertilization. FALSE
Porifera can reproduce sexually or asexually. TRUE.
2 Classify the next picture in platheyelmintes, nematodes or annelids:
1-platheyelmintes
2-annelids
3-nematodes
I am Ginés
ResponderEliminar1.1.F 2.F 3.F 4.F 5.T 6.T 7.F 8.F 9.F 10.T
2.1.platheyelmintes 2.annelids 3.nematodes
Hi teacher I am Isabel Viúdez these are the answers:
ResponderEliminar1- Which of the following statements are true and which are false?
1.FALSE 2.FALSE 3.FALSE 4.FALSE 5.FALSE
6.TRUE 7.FALSE 8.TRUE 9.TRUE 10.FALSE
2-Classify the next picture in platheyelmintes, nematodes or annelids:
1.Plathevelmintes 2.Annelids 3.Nematodes
hello im isabel suárez fdez :
ResponderEliminar1_
1-f 2-f 3-f 4-f 5-t 6-t 7-t 8-t 9-t 10-t
2_
1- platheyelmint 2-annelid 3- nematod
I am Cristina pérez and the answers are :
ResponderEliminar1. Which of the following statements are true (T) and which are false (F)?
1. In oviparous animals, the egg develops inside the mother’s body. - (F)
2. Porifera live freely, floating on sea water. -(F)
3. Corals are porifera with the shape of a polyp and a skeleton. -(F)
4. Budding is a kind of sexual reproduction. -(F)
5. Cnidaria reproduce sexually and develop from eggs. -(F)
6. In viviparous animals, the embryo develops inside the mother’s body. -(T)
7. Medusae are porifera without pores. -(F)
8. Swimming medusa have an umbrella shape. -(F)
9 Asexual reproduction happens through internal fertilization. -(F)
10. Porifera can reproduce sexually or asexually. -(F)
2. Classify the next picture in platheyelmintes, nematodes or annelids:
1- platheyelmintes
2- annelids
3- nematodes
Hello teacher i'm Clara Garcia Parra and these are my answers:
ResponderEliminar1.-¿True or false?
1 T
2 F
3 F
4 ???
5 F
6 T
7 F
8 ???
9 F
10 F
2.
First picture is a platheyelminte.
Second picture is a annelid.
And the third picture iare nematodes.
Hi,I'm Esther.
ResponderEliminar1. Which of the following statements are true (T) and which are false (F)?
1.In oviparous animals, the egg develops inside the mother’s body.F
2.Porifera live freely, floating on sea water. F
3.Corals are porifera with the shape of a polyp and a skeleton. F
4.Budding is a kind of sexual reproduction. F
5.Cnidaria reproduce sexually and develop from eggs.F
6.In viviparous animals, the embryo develops inside the mother’s body. T
7.Medusae are porifera without pores. F
8.Swimming medusa have an umbrella shape. T
9.Asexual reproduction happens through internal fertilization. F
10.Porifera can reproduce sexually or asexually. F
2. Classify the next picture in platheyelmintes, nematodes or annelids:
1.Platheyelmintes.
2.Annelids.
3.Nematodes.
3.platheyelmintes, nematodes or annelids: