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WorksheetsEcology 2nd 9wks Exam Fall 2018
Total questions: 23
Worksheet time: 23mins
Sharks are messy eaters that swim around all day with a small Remora fish attached to their undersides. The Remora eats any food that the shark may drop. The Remora does nothing for the shark. This is an example of
mutualism
commensalism
parasitism
competition
What word best describes the mammals, fish, birds and plants, as well as the sun, soil, air and water in an environment?
Abiotic
Community
Ecosystem
Biosphere
The five levels of organization in the environment, from the first to the fifth level are
Organism, population, biosphere, ecosystem, community
Organism, population, biotic elements, abiotic elements, community
Organism, population, community, ecosystem, biosphere
Organism, population, biosphere, abiotic elements, ecology
The study of how things interact with each other and with their environment is called __________.
Ecology
Community studies
Symbiosis
Social studies
A bird eats a worm. Who is the predator?
worm
bird
the bird and the worm
neither the bird of the worm
What is an example of an abiotic element that may change an area?
introducing a new type of grass to the prairie
water flooding a prairie
two bird species competing for nest habitat
uncontrollable mold growth on trees
At each level of the energy pyramid, only ___% of the available energy is passed to the next consumer.
1%
5%
10%
50%
Animals that eat a variety of meats, fruits and vegetables are
producers
carnivores
omnivores
herbivores
Thinking back to the Energy Pyramid, coyotes prey on prairie dogs. In order for the prairie dog population to survive, how many prairie dogs are needed compared to coyotes?
fewer prairie dogs than coyotes
many more prairie dogs than coyotes
about the same number of prairie dogs and coyote
there is no relationship between the number of prairie dogs and coyote
When a parasitic tapeworm gets inside a dog's intestine to obtain food, who is the host?
the worm
the producer
the decomposer
the dog
Grass is eaten by a prairie dog. The prairie dog is eaten by a coyote. This is an example of ___.
an abiotic element
an omnivore
an herbivore
a food chain
Grass that gains energy from the sun is an example of a___.
consumer
decomposer
parasite
producer
If scientists are studying the egrets, herons, marsh crabs and spartina grass, but not the water or the rocks in the salt marsh, what level of ecological organization would they be studying?
organism
population
community
ecosystem
Of the following, which is not a freshwater ecosystem?
lake
coral reef
pond
swamp
If an eagle eats a mouse that eats some berries, the eagle is a
producer
first level/primary consumer
second level consumer
decomposer
In an energy pyramid, which level has the most available energy?
producer level
first level consumer
second level consumer
third level consumer
Vultures and hyenas, which feed on the remains of dead organisms, are considered
first level consumers
scavengers
producers
herbivores
Which biome receives less than 25 centimeters of rain per year?
desert
temperate rainforest
grassland
tropical rainforest
A close relationship between two species that benefits at least one of the species is called
natural selection
symbiosis
adaptation
competition
Which of the following is an example of a population?
the cats and dogs in your neighborhood
the park at the heart of your neighborhood
the rocks in your rock collection
the gray wolves in a forest
The smallest unit of ecological organization is
population
community
organism
ecosystem
Which of the following is an example of a predator's adaptation?
a porcupine's needles
a frog's bright colors
a shark's powerful jaws
a plant's poisonous chemicals
Bees and flowers have evolved to need one another. Flowers receive pollination from bees as they fly from flower to flower gathering nectar. This is an example of
commensalism
parasitism
predation
mutualism
