Ecology Unit Test Practice Part 1 Question Preview (ID: 38474)
Ecology Part 1.
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What is the first original source of energy for all food webs?
a) minerals in the soil
b) decomposers
c) the sun
d) plants
Roberto feeds his pet iguana a mixture of salad greens, carrots, squash, crickets, and worms as part of his regular diet. What type of consumer is the iguana?
a) omnivore
b) herbivore
c) carnivore
d) detrivore
What is the correct series of levels for the movement of energy in a food chain?
a) producers-- secondary consumers-- decomposers-- sun
b) sun-- primary consumers-- producers
c) producers-- primary consumer-- decomposers-- tertiary consumers
d) producers-- primary consumer--secondary consumer--tertiary consumer
During a drought in a grassland, there is limited rainfall. Which of these organisms would MOST IMMEDIATELY (FIRST) be affected?
a) grass
b) owls
c) snakes
d) mouse
In the ocean scene, which of the following are MOST LIKELY the top predators of the food web?
a) seaweed called kelp
b) seals and otters
c) fish and snails
d) plankton and algae
Which organism in a food web is a decomposer?
a) American plum tree
b) Golden mycena mushrooms
c) metallic wood borer beetle
d) white-tailed deer
Which type of energy role is a top predator that eats other animals to obtain energy?
a) omnivores
b) herbivores
c) decomposers
d) carnivores
What is the ORIGINAL source of MATTER that the otter uses as food?
a) the Nightjar bird
b) the Sea Gull
c) the water weed algae
d) emperor moth
Maria and her classmates are observing animals at the pond. They notice 2 types of birds, wood storks and ibises, both are feeding on fish. Which of these describes the relationship between these two birds?
a) parasitism
b) competition
c) predation
d) producer and consumer
Which of these describes a relationship called mutualism between two organisms?
a) a honeybee pollinates a plant and receives nectar for food
b) a dog with worms in its intestines
c) a turtle and a snail that both eat grass live in a river
d) a small fish attached to a shark, eating tiny pieces of the shark's food
Which of these is the top predator in the trophic level position of this food web?
a) hawk
b) fish
c) apple tree
d) mushroom
Which pair of organisms listed below are in competition for the same natural resources?
a) ticks and dogs
b) lions and leopards
c) honeybees and flowers
d) salmon fish and brown bears
How do shrimp and crabs obtain their energy?
a) by eating producers
b) by eating consumers
c) by turning light into food
d) by releasing carbon dioxide
Here are some feeding relationships in a desert food web. Which of the following would be a correct food chain?
a) plant--mouse--rattlesnake--vulture
b) scorpion--hawk--coyote
c) coyote--hawk--scorpion--grasshopper--plants
d) plant--grasshopper--scorpion--rattlesnake
A tapeworm eats on the partially digested food in the human's intestines which harms the human. What type of symbiosis is this example?
a) mutualism
b) commensalism
c) parasitism
d) food web
A Clown fish finding protection as it hides in sea anemones in the ocean. The clown fish help provide food for the anemone. which of t
a) energy roles
b) parasitism
c) commensalism
d) mutualism
In a pond area, which of the following is a producer in this ecosystem?
a) Cattail plants, because they make their own food.
b) Beaver, because they can change the water level in the pond.
c) Dragonflies (insects), because they have a large population.
d) Soil, because all other organisms depend on it.
Mistletoe is a plant that sends its roots into the oak trees to get water and nutrients from the trees which harms the trees. This is an example of what type of symbiosis?
a) mutualism
b) competition
c) commensalism
d) parasitism
Scientists classify organisms that can make their own food by making sugars as autotrophs. Which of the organisms below are autotrophs and make their own food?
a) producers such as plants
b) decomposers such as fungi and bacteria
c) herbivores
d) consumers
The scientific study of how organisms interact in their environment is known as ____________.
a) ecology
b) zoology
c) energy roles
d) chemistry
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