Which type of population growth is shown in this graph?
exponential
logistic
linear
limited

The correct answer is Logistic.

Explanation:

In logistic population growth S-shaped(sigmoid)  growth curve is obtained. In logistic population growth initially, the population increase slowly which means the population is establishing the new environment.

Once the population is established then it grows very fast and exponentially until the environmental resistance starts increasing. Environmental resistance slows down the growth rate of the population until it reaches equilibrium.  

At equilibrium, there is no net increase in population due to the number of individuals born is equal to number of individual dies. At this phase, the population reached to maximum carrying capacity and the growth become constant. So this type of growth curve is called logistic growth.

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.