How did the blue-gren algae cause the fist mass extinction

When comparing normal meiosis in human males and females
April 27, 2020
Animal embryo at the eight cell stage
April 27, 2020

How did the blue-gren algae cause the fist mass extinction

1. How did the blue-gren algae (cyanobacteria) cause the fist mass extinction?

2. Describe how the structure of erythrocytes is advantageous for their function as oxygen transporters

3. Describe the anatomical features of cardiac cells that allow for coordinated contractions.

4. Define and explain the significance of vascular anastomoses in arteries and veins

5. Where are Kupffer cells found?

6. Describe the process of double-fertilization in an angiosperm, andexplain the significance of this process in plant evolution.