If a zebra mussel is discovered in a lake in Pennsylvania, then the ecologist would be worried because it is an invasive species. The zebra mussel is native to Ukraine and Russia, but if it has been found in Pennsylvania, than it means that it has been introduced in this area. As an invasive species, the zebra mussel can be very dangerous for the native species in the lake. The invasive species usually are more competitive for food sources than the native species, manage to reproduce quicker, bring in diseases, and the native species tend to not have defense mechanisms for them. This leads to rapid decline or even extinction in the native species, while the invasive spreads out quickly and takes over, resulting in dramatic change in the whole ecosystem.
Answer:
Habituation.
Explanation:
Learning may be defined as the process of change in the behavior of the organism by the result of its experience. Two main types of learning are innate learning and acquired learning.
Habituation may be defined as a type of the non associative learning in which the innate stimulus may get decrease after its repetition. The response of the new born can against the visual memory can be created by taking some picture as stimulus and repeat this stimulus again and again.
Thus, the answer is habituation.
Answer:
E & B
Explanation:
Humans select the mates rather than letting nature decide thus artificial
