Give one example for each of the following :

$(i)$ Eurythermal plant species $ ……………..$  .

$(ii) $ A hot water spring organism $ ……………..$  .

$(iii)$ An organism seen in deep ocean trenches $ …………….$.

$(iv)$ An organism seen in compost pit $ ……………$  .

$(v)$ A parasitic angiosperm $ ……………..$  .

$(vi)$ A stenothermal plant species $ ……………..$  .

$(vii)$ Soil organism $ ……………..$  .

$(viii)$ A benthic animal $ ……………..$  .

$(ix)$ Antifreeze compound seen in antarctic fish $ ……………..$  .

$(x)$ An organism which can conform $ ……………..$  .

Consider the following statements $(A – D)$ each with one or two blanks.

$(A)$ Some snails go into _____$(i)$_____ to avoid ____$(ii)$_____ related problems.
$(B)$ Since small animals have a ____$(iii)$___ surface area relative to their volume, they tend to lose body heat
_____$(iv)$______ when it is cold outside.
$(C)$ Next to temperature, _____$(v)$____ is the most ecologically important environmental factor.
$(D)$ Every ____$(vi)$____ the famous Keolado National Park in Rajasthan host thousands of migrating birds.
Which one of the following option gives the correct fill ups for the respective blank numbers from $(i)$ to $(vi)$ in
the statements?

In bacteria, fungi and lower plants, various of thick-walled …$A$… are formed, which help them to survive …$B$… conditions-these germinate on availability of suitable environment. In higher plants …$C$… and some other vegetative reproductive structures serve as means to tide over periods of stress besides helping in dispersal-they germinate to form new plants under favourable moisture and temperate conditions

Choose the correct option for $A, B$ and $C$

The major characteristics of the vegetation of a locality are controlled by