STD 12 - 3. reproductive health — BIOLOGY STD 12 Science — Question

$A.$ Detrivores perform fragmentation.

$B.$ The humus is further degraded by some microbes during mineralization.

$C$. Water soluble inorganic nutrients go down into the soil and get precipitated by a process called leaching.

$D$. The detritus food chain begins with living organisms.

$E$. Earthworms break down detritus into smaller particles by a process called catabolism.

Choose the correct answer from the options given below:

$(a)$ The cattle egret and grazing cattle

$(b)$ Barnacle balanus and Barnacle chathamalus

$(c)$ Goat and Abingdon turtle from Galapagosisland

$(d)$ Barnacles growing on the back of whale