Answer:
Swollen shoot is a viral disease transmitted to the plant by mealybugs that has devastated Ghanaian and Nigerian cocoa crops.
Explanation:
<em>Please</em><em> </em><em>mark</em><em> </em><em>me</em><em> </em><em>as</em><em> </em><em>brainliest</em><em> </em><em>answer</em><em> </em>
The reason why is a few things, first, they have to make sure that the organism is related, and that they can see that. They don't wanna assign a bird as an insect on accident, so they do tests and then determine. Second, the more factors the better, if you consider all the species in the world, and what makes them different from eachother you would have a very long list. And that is it.
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Control group
Explanation:
Experiments are usually designed so that the differences between the experiment and control groups can be observed.
- The experimental group is the group that follows the details of the hypothesis where variables are changed to see their causes and effects.
- The control group is the standard by which the experimental group is compared with.
- The variables are being tested for in the experimental group to see how they are changing .
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Controlled experiment brainly.com/question/1621519
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Mutualism because both animals benefit. The Elephant gets relived from the parasites that are on it and the bird gets food.
<span>The virus uses the cell to replicate itself and then moves on. The cell, after replication dies as the new virus spreads.
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