Cuscuta is an example of
ectoparasitism
brood parasitism
predation
endoparasitism.
Read the following statements w.r.t. features of biomes and select the correct option for tropical rain forests
$a.$ Buttress roots
$b.$ Vines, lianas and epiphytes are abundant
$c.$ Highly leached soils
$d.$ Soil has high base content
$e.$ $30-40 \;m$ tall canopy structure with $2-3$ strata only
Animals living in colder region have shorter tail and ears as compared to the animals living in warmer regions. This phenomenon is called
The equilibrium of the species is disturbed by
The average concentration of $CO_2$ in the atmosphere is
Organisms occupying similar ecological niche but different geographical areas of distribution are called as