Answer:
a. increasing birth rate with a greater number of young organisms
Explanation:
When the population growth is increasing in an area there is an increasing birth rate and the age structure begins to young.
Population growth is the increasing trend in population parameters that ensures that more organisms are produced.
The birth rate is the chief factor that populates an area.
When birth rate increases, new and younger organisms are produced and this tips the population towards a very young age.
An ageing population is one where the birth rate is quite low.
Answer:
The correct answer will be option-D
Explanation:
Learned helplessness is defined as the psychological condition in which the person starts believing that the person is incapable of doing and accomplishing small tasks and has no control or lost control over the surrounding environment.
This condition happens when the person fails to escape the shocks caused by the aversive events and starts believing that the outcomes are independent of their response.
This condition is biological and is caused by the inhibition of the ventromedial prefrontal complex pathway associated with the learning ability. The ventromedial and also dorsal raphe nucleus is involved in the learned helplessness.
Thus, option-D is the correct answer.
Answer:
After the water soluble hormone approaches its target, the last thing that happens in change in cell activity and the hormones send a signal/message to the original hormone.
Explanation:
Water soluble hormones easily attach themselves to the cell. These water soluble hormones are made up of amino acid. Amino acid are basically proteins which are easily soluble in water.
These water soluble hormones cannot enter the cell membrane of the cell because they are made up of fat cells.
Answer:
mutualistic
Explanation:
both organisms get something out of it