Multiple Choice
Removal of a ________________ from a community affects community structure significantly.
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51. Community Ecology
Community Structure
Back51. Community Ecology
Community Structure
- Textbook Question
"In a classic study, John Teal measured energy flow in a salt marsh ecosystem. The table below shows some of his results.
a. What percentage of the energy in sunlight was converted into chemical energy and incorporated into plant biomass? What term describes this new biomass?
b. What percentage of the energy in plant biomass was incorporated into the bodies of the primary consumers? What became of the rest of the energy (see Figure 37.16A)?
c. How much energy is available for secondary consumers?
Based on the efficiency of energy transfer by primary consumers, estimate how much energy will be available to tertiary consumers."
1019views - Multiple ChoiceA field contains 950 kg of plant material. How many kilograms of tertiary consumers could be supported?1186views
- Multiple ChoiceWhy does succession of communities occur?1395views
- Multiple ChoiceWhat is the current view of biological communities?1474views1rank
- Multiple ChoiceWhich of the following statements correctly describes conditions on a glacier moraine during the reign of pioneer species?868views
- Multiple ChoiceWhen equilibrium is reached on an island, __________.1057views
- Multiple ChoiceWhat are two key factors in species richness equatorial–polar gradients?1359views
- Multiple ChoiceWhat happens to the number of species in a community as the area of that community increases?1343views
- Multiple ChoiceThe potential evapotranspiration is determined by __________.907views
- Multiple ChoiceWhich of the following is the definition of a pathogen?1075views
- Multiple ChoiceWhat is a zoonotic pathogen?922views
- Textbook Question
The feeding relationships among the species in a community determine the community's
a. Secondary succession
b. Ecological niche
c. Species richness
d. Trophic structure
1144views - Textbook Question
Based on the intermediate disturbance hypothesis, a community's species diversity is increased by
a. Frequent massive disturbance
b. Stable conditions with no disturbance
c. Moderate levels of disturbance
d. Human intervention to eliminate disturbance
1333views - Textbook Question
According to the island equilibrium model, species richness would be greatest on an island that is
a. Large and remote
b. Small and remote
c. Large and close to a mainland
d. Small and close to a mainland
968views