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jeyben [28]
3 years ago
6

Biological control methods for managing insect pests are effective for reasons that include which of the following? They promote

genetic resistance in the target species, resulting in a population explosion of the target species. They generally focus on one target insect to ensure that the target insect population remains low. They can lead to a self-perpetuating population of a control species.
Biology
1 answer:
Semenov [28]3 years ago
4 0

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

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11
Tomtit [17]

Answer:

The type of economy Tanzania belongs to is emerging market economy because it's the fastest 2nd growing expansion economy in the SSA :3

Explanation:

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6 0
3 years ago
What is the third heaviest land mammal on earth??
bagirrra123 [75]
The correct answer for this question would be the WHITE RHINOCEROS. The white rhinoceros weighs 5, 100 pounds or 2, 300 kilograms. In the list, the first mammal that is considered as the heaviest is the African elephant which weighs 24, 000 pounds or 11, 000 kilograms and followed by Asian elephant weighing 12, 100 pounds or 5, 500 kilograms. Hope this answer helps.
5 0
3 years ago
What types of animals exist in the third trophic level of an aquatic ecosystem​
mr_godi [17]

Answer:

 Juvenile stages of fish and jellfish, small fish, crustaceans and sea stars

Explanation:

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8 0
1 year ago
What type of organism would most likely be found in place of the question marks?​
ruslelena [56]

Answer:

Decomposers

Explanation:

The diagram in this question illustrates a food web, which is a series of interlinked food chains in an ecosystem. In a food chain as depicted in the image, the arrows point to the organism that feeds on another organism. For example, an arrow is pointing from Idaho fescue to an Elk meaning that the elk will feed on that plant.

Different trophic levels constituting organisms exists in the food web including; producers (plants), primary consumers, secondary consumers, tertiary consumers etc. However, as observed in the image, a general arrow carrying along all the organism is pointing towards the organism in the question mark. This organism is called DECOMPOSER.

A decomposer, usually a microorganism, is an organism that breaks down dead organisms and returns the nutrient to the soil for recycling. All organisms in the food web will eventually die and when they do, they'll be decomposed by a decomposer. This is why the arrow pointing towards the decomposers include all organisms.

8 0
3 years ago
Which specific subdivision of the nervous system calms the body after strenuous physical activity?
7nadin3 [17]
The answer to this question would be: parasympathetic division

Parasympathetic nervous is part of the autonomous nervous system. In the autonomous nervous system, the sympathetic system is used when you enter the "fight or flight" mode. In this case, the body will be prepared to be able to take a decision as quickly as possible in a strenuous state. The nervous also cause an increase in the heart and breathing rate to increase body capability.
Parasympathetic is the opposite of it which was activated to calm the body so it can maintain the normal body function.
8 0
3 years ago
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