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Ecology Unit Test Practice Part 1
Test Description: Ecology part 1
Instructions: Answer all questions to get your test result.
1) What is the first original source of energy for all food webs?
A
minerals in the soil
B
plants
C
decomposers
D
the sun
2) 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
carnivore
C
detrivore
D
herbivore
3) What is the correct series of levels for the movement of energy in a food chain?
A
producers-- secondary consumers-- decomposers-- sun
B
producers-- primary consumer--secondary consumer--tertiary consumer
C
producers-- primary consumer-- decomposers-- tertiary consumers
D
sun-- primary consumers-- producers
4) During a drought in a grassland, there is limited rainfall. Which of these organisms would MOST IMMEDIATELY (FIRST) be affected?
A
owls
B
mouse
C
snakes
D
grass
5) In the ocean scene, which of the following are MOST LIKELY the top predators of the food web?
A
seals and otters
B
fish and snails
C
seaweed called kelp
D
plankton and algae
6) Which organism in a food web is a decomposer?
A
American plum tree
B
metallic wood borer beetle
C
Golden mycena mushrooms
D
white-tailed deer
7) Which type of energy role is a top predator that eats other animals to obtain energy?
A
omnivores
B
carnivores
C
decomposers
D
herbivores
8) What is the ORIGINAL source of MATTER that the otter uses as food?
A
the Sea Gull
B
the Nightjar bird
C
the water weed algae
D
emperor moth
9) 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
producer and consumer
C
predation
D
competition
10) Which of these describes a relationship called mutualism between two organisms?
A
a dog with worms in its intestines
B
a honeybee pollinates a plant and receives nectar for food
C
a small fish attached to a shark, eating tiny pieces of the shark's food
D
a turtle and a snail that both eat grass live in a river
11) Which of these is the top predator in the trophic level position of this food web?
A
mushroom
B
hawk
C
apple tree
D
fish
12) Which pair of organisms listed below are in competition for the same natural resources?
A
ticks and dogs
B
salmon fish and brown bears
C
lions and leopards
D
honeybees and flowers
13) How do shrimp and crabs obtain their energy?
A
by turning light into food
B
by eating consumers
C
by eating producers
D
by releasing carbon dioxide
14) 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
plant--grasshopper--scorpion--rattlesnake
C
coyote--hawk--scorpion--grasshopper--plants
D
scorpion--hawk--coyote
15) 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
parasitism
B
food web
C
commensalism
D
mutualism
16) 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
commensalism
B
energy roles
C
mutualism
D
parasitism
17) In a pond area, which of the following is a producer in this ecosystem?
A
Beaver, because they can change the water level in the pond.
B
Dragonflies (insects), because they have a large population.
C
Cattail plants, because they make their own food.
D
Soil, because all other organisms depend on it.
18) 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
competition
B
commensalism
C
mutualism
D
parasitism
19) 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
decomposers such as fungi and bacteria
B
producers such as plants
C
herbivores
D
consumers
20) The scientific study of how organisms interact in their environment is known as ____________.
A
chemistry
B
energy roles
C
ecology
D
zoology
*select an answer for all questions
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