Jig Saw Types of

ReproductionGroup Activity

As a group you are going to become an expert on a specific type of reproduction and report this information to the class.

DirectionsDirections1. Research and complete your portion of the chart on your assigned type of reproduction;

use the computer/phone to find two examples of organisms that reproduce that way.

2. You will present to the class and provide a visual (8x14 paper) to be shown with the Elmo.

3. On a separate sheet of paper answer the following questions.When researching organisms you must include the following information:

1. Describe the type of reproduction you researched. 2. Name of the organisms you found.3. What type of ecosystem do these organisms live in4. What type of consumers are these organism : herbivore, carnivore or

omnivore or none of the above5. How does this organism reproduce? Sexually or Asexually?6. Are there parents involved in raising the offspring?7. Is this organism complex or simple? Complex like a human or simple like a

bacteria?

8. Genetic variation? Are the offspring identical clones or do they have a

variation of the parents genes?

Your poster must include:

Title – your assigned type of reproductionType (asexual or sexual),organisms that use this type, Positives, Negatives, description, Picture and name of organisms Answers to questions 1-8

BB: Asexual vs. Sexual Reproduction

NameType

(asexual or

sexual)

What happe

ns?

Organisms that use this

type

+Positive

s

-Negativ

es

1. Binary Fission

2. Bacterial Conjugation

3. Fragmentation

4. Budding

5. Pollination

6. Sexual Reproduction

7. Vegetative propagation

Table 7

Table 6Table 5Table 4Table 3

Table 8

Table 1 & 2

Asexual vs. Sexual Reproduction

Asexual reproduction

A form of reproduction which does not involve meiosis or fertilization. Asexual reproduction = one parent. The primary form of reproduction for single-celled organisms such as archaea, bacteria, and protists.Many plants and fungi reproduce mostly asexually as well.

Sexual Reproduction

Results in increasing genetic diversity of the offspring. Characterized by two processes:

meiosis, halving of the number of chromosomesfertilization, combination of two gametes and the restoration of the original number of chromosomes

During meiosis, chromosomes usually cross over = genetic recombination.Primary method of reproduction for the vast majority of visible organisms, including almost all animals and plants.

Binary Fission

AsexualCell splits and replicated DNA goes with each partProkaryotes, Bacteria+ Fast and easy- Everybody has the same DNA

Bacterial Conjugation

Asexual, “Sexual” A bacteria shoots out a tube and sends a piece of its DNA to another bacteriaBacteria+ Mixes DNA- “Parent” loses a little piece of DNA

Fragmentation/ regeneration

AsexualBody of parent breaks and produces offspringFungi, moss, sea stars, planarian+ Easy- Parent broken, same DNA

Fragmentation/ regeneration

Moss

Budding

AsexualOffspring grows out of parentYeast, hydras+ Fast, somewhat easy- Same DNA

Pollination

SexualPollen is delivered to female part of plantFlowering plants+ Plants don’t have to move, mixes DNA- Need external source for pollination to take place; wind, bee, bat, butterfly etc.

Pollination

Sexual Reproduction

SexualDNA from 2 individuals merge to form oneAnimals, Plants+ Diverse DNA- Takes a long time, 2 individuals needed

Sexual Reproduction

Numbers! (20 minutes or 1 year, 8 months)

Core Bacteria (Binary Fission)

Hydra(Budding)

Planaria, Starfish (Fragmentation)

Rabbits, Kittens, Humans(Sexual Reproduction)

Dandelions, Pine trees(Pollination)

1 12,731 (6)

504 (6) 2640 (5) 20,10,2 (2) 46, 3 (3)

2 23,313 (7)

610 (4) 3626 (6) 20,10,2 (4) 20, 2 (4)

3 20,697 (10)

450 (6) 2578 (8) 20, 10, 2 (3) 21, 1.5 (4)

4 22,994 (10)

613 (6) 2982 (5) 20, 10, 1.5 (4) 20, 1.5 (4)