revision exercises

1. Vital Functions II (Relation and Reproduction)
1. What is reproduction? What types of reproduction exist?
2.Complete the phrases:
a. The_______________occurs when a set off occurs in one or two of the
individuals named_______________, the new individuals produced are named
______________ which similar to _____________, the first ones.
b. In the ___________ _______________ two individuals intervene and the
descendants ___________________________ to the parents.
c. During the asexual reproduction ________________ intervenes and the
descendants are ___________.
d. The gametes are special _____________ and they are characteristics of the
_______________ reproduction.
3. Name and explain the types of asexual reproduction in animals. What is the principle
difference between fragmentation and regeneration?
4. Observe the drawing and assign the type of reproduction that is shown in the drawings:

2. 5. Define the following concepts: gonad, gamete, spermatozoa, egg, fertilization, zygote.
6. Explain the scheme of the helpers, how do animals produce sexual reproduction?
7. Explain the advantages and disadvantages of the sexual and asexual reproduction.
Complete the following phrases:
a. Sexual reproduction is necessary for the formation of the specialized cells
named____________.
b. Male individuals produce masculine ______________ or _____________.
c. Female individuals produce feminine ______________or _____________.
d. The ____________ is the union of the egg and the ______________. Through
this union a cell named___________ arises.
e. The process in which zygotes are capable of dividing and generating a complete
individual is called ____________.

3. 9. Examine and complete the following scheme:
10. What does the alternating reproduction consist of?
11. Explain the different types of asexual reproduction of plants.
12. Can mankind provoke the asexual reproduction of a plant? In what ways?
13. Complete the following drawing and explain the function of the structures labelled.
14. What is the feminine part of a flower? What does it produce? What is the masculine
part of a flower? What does it produce?

4. 15. Explain the scheme of sexual reproduction in plants.
16. Complete the following phrases:
a. The _________ is fabricated in the ___________ from the stamens that are a
part of a flower´s ______________.
b. _____________ is fabricated in the ____________ of the pistil which, is the
_________ par of the flower.
c. When the ____________ develops fruitfully in the egg in which ___________
are found.
d. Two types of pollination exist:___________ and _____________.
e. The ___________ is the process through which the pollen fertilizes? The
___________.
f. The cross ____________ occurs between two different plants.
g. During pollination _____________ or the____________ can intervene.
17. Complete and explain the following drawing (sporophyte, gametophyte, masculine
gametes, feminine, spores, germination and fertilization.
18. What is the relationship? Write a few examples.
19. Explain what two systems of organs intervene in the relation of animals. What are
the major differences?
20. Explain how animal relations function.

5. 21. Complete the following phrases:
a. ____________ are in charge to detect the changes in the medium.
b. The formation of the senses travels to ____________________, whom are in
charge of elaborating a response.
c. There are two principle systems of coordination in animals: ____________
system and ______________ system.
d. The ____________ are in charge of carrying out a response. These are
fundamental ________________ and __________________.
22. Explain what are tropisms and nastias. Give a few examples.