Answer:
dear user nitrogen fixation is so important bcoz of the reasons given above
A community which is a ecosystem
Answer:
In the food chain, producer makes the base, primary and secondary consumers are present in the middle and tertiary consumers is present on the top.
Explanation:
Producers are the organisms which makes their own food such as plants. They are placed at the base due to high population. Primary and secondary consumers are placed in the middle due to less population than producer and tertiary consumers are placed on the top due to very low population.
The answer to your question is C
An unspecialized cell that can divide and give rise to different specialized cells is called a stem cell (Figure above). Zygotes and embryonic cells are both types of stem cells. These stem cells, called embryonic stem cells, can divide indefinitely and can specialize into any cell type. They are totipotent.
