Biology, 21.05.2020 07:03, allimaycatp8qgaq
1.) The southern pine bark beetle lives in the bark of pine trees. The beetles feed on the tree and live within the bark of the tree, producing offspring. Once the beetles have infested a tree, they will spread to other trees in the same area. Eventually a pine tree infested by the beetle will die. The population of pine bark beetles can be expected to increase in a new habitat where it is introduced. The population would NOT be expected to decrease until what happens?
A) Birds that feed on insects migrate away from the area
B) Other insects that feed on pine bark move out of the area.
C) The pine trees in the area begin to produce seeds.
D) All the pine trees in the area have been killed off.
2.) Which of the following environmental conditions will have a negative effect on the limit a certain population of organisms is able to achieve in that habitat?
A) Abundant food sources.
B) Lack of competition.
C) High levels of predation.
D) Sufficient freshwater.
PLZ answer both questions quickly!
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