Cuckoos laying their eggs in the nests of crow is an example of:

1.	Ectoparasitism	2.	Endopararsitism
3.	Hyperparasitism	4.	Brood parasitism

An orchid growing as an epiphyte on a mango branch is an example of:

All the following relations are examples of commensalism except:

Lichens represent an intimate mutualistic relationship between a fungus and:

In mycorrhiza, the fungi help the plant in:
1. Synthesis of high energy carbohydrates
2. Absorption of essential nutrients from the soil
3. Nitrogen fixation
4. Biocontrol of pathogens

The fig tree is pollinated by a:

To get pollinated by a bee, the Mediterranean Orchid, Ophrys, employs:
1. Sexual deceit
2. Pseudo-copulation
3. Reward in the form of nectar
4. Place for laying eggs

Not all parasitism involves feeding on the body of the host. The exception is:
1. ectoparasitism
2. endoparasitism
3. parasitoids
4. brood parasitism

A feature of ‘r’ strategists would be:

The maximum population size of the species that the environment can sustain indefinitely is called as: