Biology

sheet erosion and evaporation

leaching, underground seepages and run-off

sheet erosion, gully erosion and wind erosion

wind erosion and heavy rainfall

root nodules

tap root

branch roots

root hairs

endoplasmic reticulum

ribosome

golgi body

mitochondrion

an aggregate of similar cells

an aggregate of cells performing a similar function

an aggregate of similar cells performing the same function

a mixture of different cells types performing the same function

Spore → prothallus → thallus → sporangium

Male and female gamentangia → zygospores → sporangium → spores

Spore → thallus → spermatozoa + ovum → sporangium

Prothallus → spermatozoid → +egg cell → leafy plant → sporangium → spore