Well If the Salmon die from lack of food from polution or something, and other animals benafit from the nutrience they carry. the rest of the ecosystem might parish, i hope that helped im not sure what was wanted
Answer:
it is every organisms goal to "survive and repopulate" therefore, with natural selection the weaker organisms die because they did not possess the traits necessary to survive, and the strong survive and repopulate
Explanation:
Answer:
Iraq will have to massively reduce the birth rate to achieve a zero growth rate. In the middle east, there is more sexual freedom which may cause sexual education to be useless. Iraqi government would most likely have to give widespread contraception to its citizens.They would either have to lower birth rates or increase death rates. It would be more practical for the Iraqi government to provide contraception's and sexual education among its citizens to decrease birth rates.
1. Tropisms are directional movements or growth response of a plant to the stimulus. In nastic movements, the response of the plant is non-directional. An example of tropism is thigmotropism, which is a growth response to the touch stimulus.
2. Nyctinasty is the nastic movement of plant parts such as leaves and petals in response to darkness.
3. Thigmonasty is a form of nastic movement (of a plant or a fungus) as a response to touch or vibration.