MacArthur's Warblers could coexist due to

1. Behavioural differences in their foraging activities
2. Temporal differences in their foraging activities
3. Spatial differences in their foraging activities
4.  Both A And C

The occurrence of competition in nature, proof for this, comes from

1. Resource Partitioning
2. Co-existance
3. Competitive release
4. Behavioural changes in foraging patterns of warblers

In Connell's elegant field experiments, on the Rocky sea coasts of Scotland which of the following observation was recorded?

1. Barnacle Balanus dominates and exclude the smaller barnacle Chathamalus from that zone
2. Barnacle Chathamalus dominates Barnacle Balanus and exclude them from that zone.
3. Barnacle Balanus dominates and exclude smaller warblers from that zone.
4. Warblers dominate and exclude smaller Balanus from that area.

…….. and ……...appear to be more adversely affected by competition than…….

1. Plants, Carnivores, Herbivores
2. Carnivores, Herbivores, Plants
3. Omnivores, Carnivores, Plants
4. Plants, Herbivores, Carnivores

Host-specific parasites show which ecological phenomenon

1. Co-evolve
2. Competition
3. Predation
4. Mutualism

Parasites often have one or two intermediate hosts or vectors

1. To make life cycle more complicated
2. To facilitate parasitisation of it's primary host
3. To cause advance life cycle
4. To infect a broad range of organisms

The human liver fluke

1. A trematode parasite
2. Depends on two intermediate hosts- snail and Dog
3. Both A and B
4. Simple life cycle

Which of the following is not correct with respect to parasites?

1. Harm the host
2. Reduce survival, growth of host.
3. Doesn't affect population density of host as no effect on reproduction ability of host
4. Render host more vulnerable to predation by making it physically weak.

Which of the following is not an ectoparasite ?

1. Ticks
2. Lice
3. Copepods
4. Fluke

Female mosquito

1. Needs our blood for reproduction
2. Parasite
3. Get some nutrition from our body
4. Both A and B