The main reason behind building burrows in soil by burrowing animals is

(1) To escape from predators.

(2) To derive nutrition parts of plants from Underground.

(3) The mode of evolution chose burrows as a specific habitat.

(4) To hide and escape from the above ground heat.

Choose the odd one out with respect to structure formed in the different organisms during suspended phase.

Smaller animals tend to lose body heat very fast as compared to larger animals because they have

Select the incorrect statement

Population size in any given habitat is also known as _______

The population with the following age pyramid:

1. Will grow exponentially in near future

2. Will grow steadily in the future

3. Is likely to remain stable in future

4. Is likely to decline in future

Mycorrhizal hyphae helps in:
1. absorbing minerals and ions
2. maintaining cell shape
3. increasing cellular respiration
4. anchoring a plant

Earliest vascular plants on land acquired water and mineral nutrients most likely by:
1. absorption by trichomes.
2. diffusion through stomata.
3. the help of symbiotic mycorrhizae.
4. osmosis through the root hairs.

Epiphytes:
1. are aerial vines common in tropical regions
2. are parasitic and use haustoria
3. live in oligotrophic soil and digest insects to obtain nitrogen
4. grow on other plants but do not obtain nutrients from their hosts

The endosymbiosis between early eukaryotes and the prokaryote lineage would be an example of: