Well you see each of the seeds have developed a special technique that allows their individual seeds to travel further and lower the probability of landing close to the tree and not getting the sunlight it needs
For the berries birds and various animals eat them carrying them away so hopefully they can get more sunlight
Helicopter seeds do the same thing except the sides themselves float away from the tree to get a further distance.
Finally the acorn seeds of the oak tree use the same concept of the berries. Various squirrels do eat these kinds of nuts and bury them in the ground in hopes of finding them later. But due to squirrels not remembering where they buried their acorn seeds the acorns are well away from the tree and start growing.
So you see all of these tree seeds are specially developed to help it get away from the trees. Especially so that they can grow in a much better environment than the one provided to them initially.
A deep ocean current. its is caused by a combination of temperature and salinity driven currents and surface level wind-driven currents.
Raccoons, Fish, and Ducks are secondary consumers. They eat the primary consumers(minnows and aquatic crustaceans).
Explanation:
To calculate the total magnification , of the binocular microscope -
The image of the object under observation only go via only one ocular and then travel to both our eyes ,
And the arrangement of lenses of the binocular is in way , that they are kept side - by - side and are not in a proper alignment with each other .