While Cooksonia fossils are distributed globally, most type specimens come from Britain, where they were first discovered in 1937. Cooksonia includes the oldest known plant to have a stem with vascular tissue and is thus a transitional form between the primitive non-vascular bryophytes and the vascular plants.
The challenges/limitations in rainwater harvesting in urban areas include the following:
<h3>What is Rainwater harvesting?</h3>
This involves the collection and storage of rain water from roof tops etc. The water is then used for agricultural activities.
The remedial measures for the challenges mentioned above include the following:
- Unpredictable Rainfall- Weather forecasts and efficient storage
- Regular Maintenance- Use of standard materials and efficient drainage system
Read more about Rainwater harvesting here brainly.com/question/1243231
Chloroplast, which are only in plant cells, are responsible for glucose production
Answer:
<em>The option that is paired incorrectly is B. increased erythropoiesis; aplastic anemia</em>
Explanation:
Aplastic anaemia can be described as an autoimmune disorder in which the number of blood cells in the body is a lot lesser than the actual requirement of the body. It is a deficiency in all the blood cells of the patient's body.
Erythropoiesis is a process by which red blood cells are produced in the body of a person.
Hence, in a person suffering from aplastic anaemia, a decrease in the process of erythropoiesis will be observed.