Three truths
- Timed
- Began about 1.5 billion years ago · the last 36% of life's story
- Named
- ≈200,000 named living species · 12% of all named
- Weighed
- At least ≈450 Gt C · 82% or more of all life's carbon
- Some members are not measured (no figure in Bar-On et al. 2018).
Eukaryotes · plants and algae · group
Algae and plants
Archaeplastida
Living · roughly 200,000 described species
The date or placement of this group is still debated.
Red algae, green algae and land plants, together with glaucophytes. Their chloroplasts trace back to a single engulfed cyanobacterium.
Key characteristics
- Chloroplasts from one ancient cyanobacterium
- Includes red algae and green plants
- Most are photosynthetic
- Branched off
- About 1.6 billion years ago (approximate)
- Parent lineage
- Diaphoretickes
Child lineages
Classification
Sources
- Archaeplastida (Wikipedia) · Wikipedia
- TimeTree: the timescale of life · TimeTree
- Open Tree of Life · Open Tree of Life
- Tree of Life Web Project · Tree of Life Web Project