Chapter 39 Plant Responses to Internal and External Signals Lecture Outline Concept 39.2 Plant hormones help coordinate growth, development, and responses to stimuli
The word hormone is derived from a Greek verb meaning to excite. Found in all multicell
Chapter 38 Angiosperm Reproduction and Biotechnology Lecture Outline Overview: To Seed or Not to Seed
Sexual reproduction is not the sole means by which flowering plants reproduce. Many species can also reproduce asexually, creating offspring that are g
Chapter 31 Fungi Lecture Outline Overview: Mighty Mushrooms
The honey mushroom Armillaria ostoyae in Malheur National Park in eastern Oregon is enormous.
Its subterranean mycelium covers 890 hectares, weighs hundreds of tons, and has been growing for 2,
Chapter 30 Plant Diversity II: The Evolution of Seed Plants Lecture Outline Overview: Feeding the World
The seed arose about 360 million years ago.
Seed plants, including gymnosperms and angiosperms, have come to dominate modern landscapes and make up t
Chapter 29 Plant Diversity I: How Plants Colonized Land Lecture Outline Overview: The Greening of Earth
For the first 3 billion years of Earths history, the land was lifeless. Thin coatings of cyanobacteria existed on land about 1.2 billion years ago. A
Chapter 28 Protists Lecture Outline Overview: A World in a Drop of Water
In the past, taxonomists classified all protists in a single kingdom, Protista. However, it is now clear that Protista is in fact paraphyletic. Some protists are more closely relat
Chapter 27 Prokaryotes Lecture Outline Overview: Theyre (Almost) Everywhere!
Prokaryotes were the earliest organisms on Earth. Today, they still dominate the biosphere.
Their collective biomass outweighs all eukaryotes combined at least tenfold. Mor
Chapter 47 Animal Development Lecture Outline Overview: A Body-Building Plan for Animals From egg to organism, an animals form develops gradually. The question of how a zygote becomes an animal has been asked for centuries. As recently as the 18th century
Chapter 46 Animal Reproduction Lecture Outline Overview: Doubling Up for Sexual Reproduction Concept 46.1 Both asexual and sexual reproduction occur in the animal kingdom Asexual reproduction involves the formation of individuals whose genes come from a s
Chapter 33 Invertebrates Lecture Outline Overview: Life Without a Backbone Invertebratesanimals without a backboneaccount for 95% of known animal species and all but one of the roughly 35 animal phyla that have been described. More than a million extant s