Tag Archives: reproduction

9.4 Reproduction in Plants

9.4 plant reproduction from Bob Smullen

A 13m 18s video lesson covering all of 9.4 from Dan Rott:

An 18m video clip on plant reproduction from ‘The amazing lives of plants’ (MacGraw-Hill) – we do not need to know about double fertilisation though:

FERTILISATION

An animated, narrated tutorial on the life cycle of an angiosperm (which also includes a quiz from Sinauer Associates) and Double Fertilisation in Angiosperms (University of Kent & UCA). Both go into much more detail than you need (we don’t need to know about double fertilisation) but they are good.

POLLINATION

The beautiful tricks of flowers – a 14m TED-Ed talk from Jonathan Drori and here’s ‘The Beauty of Pollination’ from Louie Schwartzberg (TED):

In Crash Course Biology #38 – The Plants & The Bees: Plant Reproduction, Hank gets into the dirty details about vascular plant reproduction.

GERMINATION

Mung bean time-lapse of germination:

Also here are radish seeds germinating & sprouting roots & shoots (46s).

PHOTOPERIODISM

A fantastic animated tutorial from McGraw Hill Education on Phytochrome signalling.

6.6 Hormones, Homeostasis & Reproduction

BioKnowledgy presentation on 6.6 hormones homeostasis and reproduction from Chris Paine

6.6 Hormones, Homeo & Repro notes to complete (created by Mrs Green).

IB Biology 6.6 notes – Cheryl Haus talks us through the topic while making notes in a 1 hour video.

Some past paper questions answered by IB Blueprint: Nerves, hormones and homeostasis – Paper 1 Questions ; Nerves, hormones and homeostasis – Paper 2Reproduction – Paper 1 QuestionsReproduction – Paper 2 Questions.

HORMONES

Crash Course Biology #33: Great Glands – Your Endocrine System (11m). Hank also does Endocrine System, part 1 – Glands & Hormones (Crash Course A&P #23) in 10m 24s and part 2, Hormone Cascades (Crash Course A&P #24) in 9m 33s.

The Endocrine system explained in under 4 minutes – a nice introductory video – or here is a 5m video The Endocrine System in more detail than you need or Mr Andersesn’s The Endocrine System in 13m 47s.

Click on ‘Signal Transduction’ to see an Interactive Animation from Wiley on how hormones work & Cholera (& lots more that you don’t need to know).

HOMEOSTASIS & NEGATIVE FEEDBACK

Positive & negative feedback loops, a 14m video lesson from Mr Andersen, who also teaches us elements of a feedback loop in 9 minutes.

An animated tutorial from McGraw Hill Education on blood sugar regulation in diabetics. and here is ‘What does the Pancreas do?’ (from Emma Bryce & TED-Ed):

THE MENSTRUAL CYCLE & HORMONES

How menstruation works and Why do women have periods? – 2 videos from TEDEd.

Animated, narrated tutorials on the menstrual cycle and on pregnancy testing which also include a quiz (from Sinauer Associates); there’s also an animated, narrated tutorial on IVF.

In Crash Course Biology #34 – The Reproductive System: How Gonads Go, Hank lets us in on the meaning of life, at least from a biological perspective – it’s reproduction.

The physics of sperm vs. the physics of sperm whales from TED-Ed.