Answer:
O B. Introduce ladybugs to eat the aphids
Explanation:
In crop production, there are certain pests known to categorically affect a particular crop plant. Hence, there are ways devised to tackle this issue of pest attack on crops. One of those ways is the "BIOLOGICAL CONTROL METHOD".
The biological control method involves the use of natural enemies to combat pest organisms. The natural enemies are living organisms that prey on the so called pest organism. This is the case in this question, where a specific aphid is known to infest spinach, peppers, and tomatoes.
The farmer will employ biological control method in stopping these aphids by introducing ladybugs to eat the aphids.
The answer to that question is Peroxide.
Answer:
I.V. Humidity level
D.V. height of trees
C.V. same type of tree, same greenhouse,
Explanation:
Answer:
Different groups of bacteria help in the cycling of nitrogen , carbon and phosphorus by chemical fixing or releasing in environment.
Explanation:The ecosystem contains flow of energy and cycling of minerals.
In the cycling of minerals, the micro-organisms help in fixing atmospheric nutrients e.g., nitrogen fixation by some bacteria and release the nutrients to the environment by decomposition of organic matters.
Different groups of bacteria help in the cycling of nitrogen , carbon and phosphorus by chemical fixing or releasing in environment.
