Decomposers
They are the saprophytic and saprozoic organisms that decompose the dead plant and animals before feeding on the..
Decomposers
There are saprophytic organisms (mainly bacteria and fungi) that live on dead animals and plants. In terrestrial ecosystem, bacteria act on animal tissue and fungi on plants but there may be exceptions also. This group of organisms plays a vital role in releasing back the biotic components into th..
There are saprophytic organisms (mainly bacteria and fungi) that live on dead animals and plants. In terrestrial ecosystem, bacteria act on animal tissue and fungi on plants but there may be exceptions also. This group of organisms plays a vital role in releasing back the biotic components into th..Mass of a body
is defined as the amount of matter contained in it. The SI unit of mass is kilogram (kg). Mass is a scalar quantity. The amount of matter contained in a body does not change with time or from place to place i.e., mass of a body remains the same throughout the univ..
vertical and horizontal motions of a body
An experiment to show that the vertical and horizontal motions of a body are independent of each other - An experiment to show that the vertical and horizontal motions of a body are independent of each other Place two coins A and B near the edge of a table as shown in the figure..
Expression for Kinetic Energy of a Moving Body
Consider a body of mass 'm' which is initially at rest. When a force 'F' is applied on the body, let it start moving with a velocity 'v' and cover a distance 'S'. The force produces acceleration 'a' in the body. The force 'F' does work when it moves the ..
An experiment to show that the vertical and horizontal motions of a body are independent of each other
An experiment to show that the vertical and horizontal motions of a body are independent of each other Place two coins A and B near the edge of a table as shown in the figure. Simultaneously drop the coin A vertically and flick the coin B horizontally. After a while we will hear just ..
An experiment to show that the vertical and horizontal motions of a body are independent of each other Place two coins A and B near the edge of a table as shown in the figure. Simultaneously drop the coin A vertically and flick the coin B horizontally. After a while we will hear just ..Nitrogen Cycle
. Plants convert the inorganic nitrates to organic proteins. The proteins from the plants enter the body of animals in form of food. C) How is nitrogen returned to the soil? When plants and animals die their bodies decompose. The organic proteins undergo a se..
Tommy drinks 7 glasses of water each day. How many glasses of water do..
Tommy drinks 7 glasses of water each day. How many glasses of water does he drink in 2 days? Glasses of water 7 - 21 28 Days 1 2 3 4 => 28 or 70 or 16 or 14..
The following table shows Eddy's earnings for the number of hours he w..
The following table shows Eddy's earnings for the number of hours he works over time. How many hours does he need to work to earn $119? Hours 1 2 3 4 5 Earnings 35 42 49 56 63 => 12 or 11 or 10 or 8..
Andrew's activities in a day are shown in the table. What percent of t..
Andrew's activities in a day are shown in the table. What percent of time does he spend sleeping? Activities Hours per day Sleeping 7 School 5 Eating 2 Home work 3 Others 7 => 39% or 41% or 34% or 29%..
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