Download If Humans Did Asexual Reproduction #1 Binary Fission

Cell division is important for life.
It is especially important for single-celled species as this is how they reproduce.
 __________________________ (parents)
contribute genetic info via
__________________.
 Sex cells_____________________ to form
offspring
 ______________________________
 All offspring ____________ genetically
identical to parent
______________________________________
 Offspring ________________ genetically
identical to parent
1. ___________________________
4. ___________________________
2. ___________________________
5. ___________________________
3. ___________________________
 Parent undergoes ________________________ to produce 2, smaller, genetically identical
daughter cells
 Only ________________________________ (ex. Bacteria), some ________________(ex. Amoebas)
and some __________________ use this form of reproduction
If Humans Did Asexual Reproduction
Benefits to Binary Fission
 Rapid population __________________________________________
#1 Binary Fission
 Offspring begins as a _____________________ on parent called a _______________
 Bud goes through cell division to _____________________________ before
_________________________________ from parent
 Occurs in _______________________________ and _____________________________ organisms
 Ex. Hydra
If Humans Did Asexual Reproduction
#2 Budding
 Small part of animal _________________________ and grown into new organism
 Whether _____________________________ grows depends on ___________________________
original parent is contained in ____________________________
 Reproduction _________________________________ can’t happen without
________________________________ (ability to regrown body part, organ or tissue)
If Humans Did Asexual Reproduction
#3 Fragmentation
 When ____________________ reproduce asexually
 Some send out: ________________________
 A stem that grows _____________________________ along soil surface
 A runner can grow _______________________________ and become independent
 Ex. ____________________________________________
 Some send out: ________________________
 Form from base of trunk or underground stems
 Ex. ___________________________________________
 Some use: _____________________________
 Cutting ______________________from some plants will form own _________________________ with
roots
 Other examples include bulbs (____________________) and tubers (_______________________)
If Humans Did Asexual Reproduction
#4 Vegetative Reproduction - Runners
 Spores are cells with ___________________________________
 Are similar to ___________________ but at are formed through ____________________________
 Organisms that form spores may also ___________________________________________________
 Ex. _______________________________________
If Humans Did Asexual Reproduction
#5 Spore Formation
…
Asexual Reproduction has the following in common:
 Only ____________________________ needed to reproduce
 All offspring are _________________________________ to each other and parent
 A single organism can produce ______________________________________________
Homework:
Textbook p. 60 #2, 4, 5 - 7, 11, 13, 14, 16