Answer:
During crossing over, part of one chromosome is exchanged with another. The result is a hybrid chromosome with a unique pattern of genetic material. Gametes gain the ability to be genetically different from their neighboring gametes after crossing over occurs.
Answer:
Option B, They generally focus on one target insect to ensure that the target insect population remains low.
Explanation:
Biological pest control methodologies are focused towards a specific species of pest and do not harm the non-targeted species. These methods are environment friendly and do not produce any harmful residues. Also they do not develop any kind of resistance in species due to which the same bio pesticide can be used again and again. Since these methods have high specificity, they may require usage of two or more bio pesticides all together.
Hence, option B is correct
b. trees provide everything in a rain forest ecosystem.
Answer:12
Explanation:its the only one under 18
I believe that the best answer among the choices provided by the question is are the following :
<span> H2O2
H2O
</span><span>catalase</span>
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
