2. A
3. D (got cut off but the others don’t seem right)
4. D
Hopefully these are correct
Answer:
1. They make up part of a negative feedback system that promotes insect population growth.
Explanation:
If the Martin becomes extinct, it will cause an increase in insect population, as there is no predator to maintain the population. A population growth of insects would be a problem as it will destroy crops and agriculture.
I’ll help you with 20. Freezing happens when the molecules of a liquid get so cold that they slow down enough to hook onto each other, forming a solid crystal. For pure water, this happens at 32 degrees Fahrenheit, and unlike most other solids, ice expands and is actually less dense than water
Answer:
seasons are caused by revolutions. hope this helps
Food web is an important ecological concept. Basically, food web represents feeding relationships within a community (Smith and Smith 2009). ... In a detrital food chain, dead organic matter of plants and animals is broken down by decomposers, e.g., bacteria and fungi, and moves to detritivores and then carnivores.
Hope this helps ^_^
