Types of Reproduction Reflective Learner Effective Participator Self L.O: To understand about sexual and asexual reproduction MUST: Recognise the difference between sexual and asexual reproduction and give examples SHOULD: Recognise where meiosis and mitosis are involved in reproduction COULD: Explain the genetic differences between sexually and asexually produced offspring Reflective Learner Effective Participator Self Manager Team Worker

What do you know about….. REPRODUCTION GAMETES 50% 100% OFFSPRING DNA ASEXUAL SEXUAL Challenge! Create a sentence using the central word and as many of the other words as you can.

What do we know about…. Share your answer with your partner. Link your sentences together. Find a new partner to share and link with.

Mitosis and Meiosis MITOSIS MEIOSIS Cell division One cell  two identical cells Daughter cells contain 100% DNA of parent cell Cell division One cell  four different daughter cells Daughter cells contain 50% DNA of parent cell

Boardworks GCSE Science: Biology Sexual reproduction Boardworks GCSE Science: Biology Cloning There are two main ways by which organisms can reproduce: sexual reproduction and asexual reproduction. In sexual reproduction, male and female gametes join. This means genes from two parent organisms are combined to produce an organism with a unique genetic code. The advantage of sexual reproduction is that it produces natural variation among a species, enabling it to adapt to environmental change. Most animals and many plants reproduce sexually. 5

Boardworks GCSE Science: Biology Asexual reproduction Boardworks GCSE Science: Biology Cloning In asexual reproduction, a single organism makes a copy of itself with exactly the same genetic code. There is no fusing of gametes or mixing of genetic information, and so no variation occurs. The new organism is a clone of the original. Organisms that reproduce asexually include: many plants, such as spider plants, strawberries and potatoes, produce bulbs or runners for asexual reproduction micro-organisms, such as bacteria and yeast some insects, such as aphids. 6

Creative Thinker Self Manager Tasks ALL: Card sort. Choose either: LOW LEVEL (Grade 4/5) MID LEVEL (Grade 6/7) HIGH LEVEL (Grade 8/9) Creative Thinker Self Manager

Reflective Learner Self Manager Self Review Check the answers to your card sort. Reflective Learner Self Manager

Plant cross pollination by insects or wind. Budding yeast. This is a saxifrage plant. It makes lots of little plantlets that will grow into new plants. This is an amoeba which reproduces by dividing into two. These are potato tubers. They will grow into new plants. The drawing shows a spider plant. Daughter plants grow on stalks. The daughter plants can be planted and they will grow into new spider plants.

SEXUAL SEXUAL ASEXUAL ASEXUAL SEXUAL ASEXUAL ASEXUAL SEXUAL ASEXUAL Plant cross pollination by insects or wind. SEXUAL ASEXUAL Budding yeast. This is a saxifrage plant. It makes lots of little plantlets that will grow into new plants. ASEXUAL This is an amoeba which reproduces by dividing into two. SEXUAL ASEXUAL ANSWERS These are potato tubers. They will grow into new plants. ASEXUAL SEXUAL The drawing shows a spider plant. Daughter plants grow on stalks. The daughter plants can be planted and they will grow into new spider plants. ASEXUAL

Effective Participator Reflective Learner Team Worker Group Review Effective Participator Collect an answer sheet and check your answers to the levelled activity. Reflective Learner Team Worker

Types of Reproduction Reflective Learner Effective Participator Self WALT: Understand about sexual and asexual reproduction MUST: Recognise the difference between sexual and asexual reproduction and give examples SHOULD: Recognise where meiosis and mitosis are involved in reproduction COULD: Explain the genetic differences between sexually and asexually produced offspring Reflective Learner Effective Participator Self Manager Team Worker

Exit Ticket    At the start of the lesson I could…. Name_________________    I feel about the progress I made today. At the start of the lesson I could…. From what I’ve learnt today I can now….. I know I can do this because……. I still need help with……..