'Single egg cell' presentation slideshows

Chapter 29 Plant Diversity I: How Plants Colonized Land

Chapter 29 Plant Diversity I: How Plants Colonized Land. The Greening of Earth. For the first 3 billion years that the Earth existed, the land was lifeless. Thin coatings of cyanobacteria were on land about 1.2 billion years ago.

679 views • 53 slides

Chapter 29 Plant Diversity I: How Plants Colonized Land

Chapter 29 Plant Diversity I: How Plants Colonized Land. A. An Overview of Land Plant Evolution 1. Land plants evolved from green algae. Plants are believed to have evolved from green algae called charophyceans . Plants are multicellular, eukaryotic , photosynthetic autotrophs.

433 views • 29 slides

Diversity of Plants

Diversity of Plants. Features of plants. Photosynthetic with Chlorophylls a and b and carotene accessory pigment cellulose cell walls carbohydrate storage as starch in chloroplast Chloroplast structure organised into grana mechanisms to protect the zygote. Evolution of plants.

770 views • 28 slides

1B4 Human Reproduction

1B4 Human Reproduction. OB31 use wall charts or other illustrative diagrams to identify and locate the main parts of the male and female reproductive systems OB32 recall that the menstrual cycle lasts about 28 days and that menstruation occurs at the start of the cycle

236 views • 16 slides

Anatomy of The Reproductive System

Anatomy of The Reproductive System. 8 th grade By Leah Turner, Jennifer Golay and Kyle Boling . What is Reproduction?. On your diagram write at the top of the page or on the back what you think reproduction is in one to three sentences. Answer.

334 views • 13 slides

Reproductive strategies for survival

214 views • 11 slides