Plough is one of them its been a basic instrument for most of history and is one of the major advances in agriculture
Answer:
<h2>b) 640,000</h2>
Explanation:
Given:
Initial population = 10,000
Doubling time= 20 minutes
total culture allowed time = 2 hours
after 2 hours final bacterial population is 640,000
calculation:
10,000 doubles after 20 minutes = 20,000 and so on... final population after 2 hours = 640,000.
Answer:
The layer of the planet Earth where life exists
Explanation:
The global ecological system integrating all living beings and their relationships, including their interaction with the elements of the lithosphere, geosphere, hydrosphere, and atmosphere
Answer:
This means that the alleles are co-dominant.
Explanation:
However, calico cats are calico for a different reason. The reason calico cats are two different colors is due to something called X inactivation. In females, cells only need one X chromosome, so each cell independently chooses an X to inactivate. The inactivated X chromosome is called a Barr body.
So, the calico pattern appears in female cats because the color gene is located on the x chromosome and depending on which chromosome you inactivate, that cell will express a different color. This is also why you only find female calico cats.
