1. Euryhaline
2. Stenohaline
3. Catadromous
4. Anadromous
Stenohaline
1. Scavenging
2. Competition
3. Amensalism
4. Both (2) and (3)
Both (2) and (3)
1. newly exposed habitat with no record of earlier vegetation
2. pond freshly filled with water after a dry phase
3. forest clearing after devastating fire
4. freshly cleared crop field
newly exposed habitat with no record of earlier vegetation
1. has a life cycle involving only one host
2. is permanently attached to the host
3. is highly specialized
4. makes minimum demands on the host
makes minimum demands on the host
1. Most nematodes
2. Most weeds
3. Most pathogens
4. Fungal pathogen
Most nematodes
1. only a few detoxifying enzymes are needed
2. it is easy to obtain a well rounded diet
3. it is easy to find enough food
4. there will be no other herbivore competing for the food source
only a few detoxifying enzymes are needed
1. batesian mimicry
2. mullerian mimicry
3. cryptic adaptation
4. warning colouration
batesian mimicry
1. green food
2. day length
3. predator
4. soil moisture
green food
1. Bates
2. Darwin
3. Raunkier
4. Haeckel
Bates
1. Sphagnum
2. Lantana
3. Eichhornia
4. All of the above
All of the above