Answer:
The wise use of crop genetic diversity in developing improved crops can contribute significantly to protecting the environment. Crop varieties that are resistant to pests and diseases can reduce the need to apply harmful pesticides. More vigorous varieties can better compete with weeds, reducing the need for applying herbicides .
Explanation:
Well it really depends on what kind of change there is. For this I'll use a drought as an example. If a drought occurs in an area the plant life and vegetation will start to die off in that area. From there, primary consumers would run out of food. then secondary consumers, and so forth and so on. it'd be like putting a cow in a field of dirt with no food and a large bucket of water. Eventually the cow will die of starvation. Now apply this to all of the animals in that ecosystem.
Answer: The blood enters the left atrium, through the mitral valve then into the left ventricle
Explanation:
The industrial revolution is brought about by the enclosure movement through increasing the : B. Production of wool
During industrial revolution, a lot of machines that could increase the efficiency of the production were created
hope this helps
Answer:
A-4. the cell wall
D-5. the cell walls function is similar to, or like a
B-2. plant cell have a
E-3. the cell membrane
C-1. all cell have a
