Answer:
It helps prevent invasive species from coming in.
Explanation:
Invasive species ruin habitats because they have no natural predators, so they grow and mooch off of native species which kills them off.
The answer is <span>insect and pest populations decreased.
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DDT (dichlorodiphenyltrichloroethane) was used as an insecticide which is a substance used to kill insects. That resulted in decrease in insect and pest populations. It is a persistent and non-degradable insecticide, but as well organic pollutant readily accumulated to soils and consequently affects organisms.
Answer: Option D.
There is not enough information to know way the fruit will look like.
Explanation:
Rootstock is the underground part that is inside the soil.
The scion is the above part that is normally grafted to the rootstock. The scion develop into shoots and give rise to plant leaves, fruits, flowers e.t.c.
Scion is chosen base on the desired characteristics you want the plants to be.
Scion can be choose to get large fruits or pink flowers e.t.c.
The above question did not state what type of scion was chosen or used to produce a desired fruit.
Answer:
If a whole specie of organisms has to survive, they should must possess the ability to reproduce and adopt to environmental conditions in better way.
For example: If a disaster occurs or a condition of unfavorable weather occurs, the specie will survive even if only few members remain alive. Because those members will reproduce and regrow the community.
The reason is this that reproduction is not important for the survival of one organism, like organism will still survive even if he do not reproduce, but if a whole specie has to survive and continue, reproduction is most important trait.
Hope it help!
Three animal that build nests besides birds include chipmunks, squirts and snakes.