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Ecology Post Test
December 2, 2020
Welcome to your Ecology Post Test
Which statement correctly describes the transfer of energy in a food chain in this wetland?
A. Energy is transferred from hawks to shrews to grasshoppers to marsh grasses.
B. Energy is transferred from marsh grasses to crickets to hawks to frogs.
C. Energy is transferred from grasshoppers to crickets to frogs to hawks.
D. Energy is transferred from cattails to crickets to shrews to hawks.
The student observes a great blue heron catching fish near the edge of the pond. Based on the information the student collected, which bird will compete with the great blue heron for the same hunting spots and similar prey?
A. The mallard, because it hunts for fish while wading near the edge of the pond
B. The pied-billed grebe, because it dives in open water to get crayfish on the bottom of the pond.
C. The great egret, because it hunts in water near the edge of the pond for fish and other prey.
D. None of these
Some students take care of a vegetable garden. When it is time to plant in the spring, the students leave part of the garden empty in order to observe ecological succession. Which of these will most likely occur first?
A. Development of topsoil
B. Growth of weeds and grasses
C. Growth of trees and shrubs
Based on the model, which consumers would receive the greatest amount of energy captured by the producers in their food chains?
A. Wedge-tailed eagles
C. Ring-tailed opossums
D. Eucalyptus trees
Green crabs carry a parasitic worm that can infect organisms that eat the crabs. Which organism is most likely to be infected by this parasite?
C. Marsh Periwinkles
D. Blue Mussels
Tropical rain forests have the greatest biodiversity of any type of land ecosystem. How does biodiversity contribute to the sustainability of an ecosystem?
A. The presence of more species with different adaptations makes it more likely that some organisms will survive an ecological disaster.
B. Greater genetic variation within species makes it more likely that some individuals will survive a disease outbreak.
C. The presence of a variety of herbivore species that can feed on a large number of different producer species helps ensure abundant prey for predators in the ecosystem.
D. All of the above
A student observing birds in a park records some ways that birds interact with living and nonliving parts of their environment. All the following observations are ways that a bird interacts with nonliving parts of its environment except—
A. reacting to morning sunlight by singing
B. drinking and taking a bath in a puddle of water
C. responding to cold temperatures by fluffing its feathers
D. feeding insects to its chicks
Which type of organism is missing from this food web?
Which food web best represents the flow of energy in these feeding relationships?
Which two types of organisms in this aquatic food web have a producer-consumer relationship?
A. Microscopic algae and white suckers
B. Small invertebrates and amphipods
C. Phytoplankton and mummichogs
D. Amphipods and channel catfish
Time is Up!
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