Community Structure Practice Problems
Which of the following is an important function of mangroves?
The succession that occurs after a forest fire is known as:
Which of the following includes the advantage of periodic forest fires?
How many food chains are linked in the food web shown in the following diagram?
Lyme disease is a bacterial infection that can be spread to humans by infected ticks. Therefore, Lyme disease is a/an _______:
_______ is an organism that helps define an entire ecosystem.
Which of the following characterizes a mangrove forest?
The study of interactions of different populations with their environment is termed:
A group of students was tasked with collecting data on flora and fauna of a nearby mangrove forest. They assessed the diversity and abundance of mangrove species in three study areas. In each study area, they set three 10 m x 10 m quadrats at a distance of 15 to 30 m from each other. Based on this data, the following graph shows the number of individuals of different genera.
What is the most abundant genus in the sampled areas?
A class of students was tasked with collecting data on flora and fauna in a nearby mangrove forest. One group assessed the diversity and abundance of mangrove species in the area. In each area, they set three 10 m x 10 m quadrats at a distance of 15 to 30 m from each other. They assessed a total of three areas. Based on the given information, what is the total area sampled by the students?
According to the equilibrium model of island biogeography, the species diversity on an island is ______ related to the size of the island and ______ related to the island's distance from the mainland.
Which of the following is an example of a pioneer species of xerosere?
A small forest land supports 200 species, but it loses 50% of its habitable area due to the construction of a highway. How many species, approximately, do you think will be left in that forest after this?
In a rainforest ecosystem, there are fewer eagles than rabbits. What can be the possible explanation for this?
Moderate grazing is very helpful in the determination of:
Identify the incorrect statement regarding short food chains:
The trophic structure of a community is determined by____relationships among species:
If a predator prey on the community's dominant species, it will be regarded as keystone species because
All of the following are characteristics of tropical biomes except
Identify the correct statement regarding a community's species diversity according to the intermediate disturbance hypothesis:
What is the Shannon diversity (H) for a community with 200 individuals distributed among four species 20A, 30B, 70C, and 80D: