Interdependency
Interdependency
Food Webs & Chains
Food Webs & Chains
Ecosystem Interactions
100
A living thing is a?
Organism
100
Which of the following is a nonliving component of an ecosystem?
A) Bacteria
B) Plants
C) Water
D) Fungi
C) Water
100
An organism that changes sunlight into a usable form
A) Producer
B) Consumer
C) Decomposer
A) Producer
100
An organism that feeds on producers
A) Producer
B) Consumer
C) Decomposer
B) Consumer
100
During the construction of a mall, a lake was filled in. This would have the greatest negative effect on organisms that -
A) hunt for berries
B) live in water
C) sleep in trees
D) burrow in soil
B) live in water
200
Many birds, such as hawks, have sharp claws, called talons, on their feet. Sharp talons help a hawk interact with which part of its environment?
A) water they drink from streams
B) diseases that make them sick
C) the animals they catch and eat
D) the sunlight that warms them
C) the animals they catch and eat
200
How can we classify organisms?
Producer, Consumer, Decomposer
200
An organism that feeds on dead plants and animals and their waste.
A) Producer
B) Consumer
C) Decomposer
C) Decomposer
200
The diagram shows a prairie food web. Which organisms in the food web would be classified as a producer?
Prairie grass and plants seeds
200
In a study of the habitat of a population of raccoons, scientists found that the number of raccoons actually increased where people built houses. What might the scientists conclude from this observation?
A) Raccoons lost their natural source of water
B) Raccoons found more food living near people
C) The people brought many predators to the habitat
D) Building houses destroyed the raccoons’ habitat
B) Raccoons found more food living near people
300
Plants interact with living and nonliving components in their environment. Which is an interaction with a nonliving component?
A) Small insects eating the stems of plants
B) Humans breathing oxygen released by plants
C) Bees gathering pollen from flowers of plants
D) Sandy soil holding the roots of plants
D) Sandy soil holding the roots of plants
300
Which adaptation of a cactus is related to its interactions with living organisms in its environment?
A) roots that grow deep underground to reach water
B) large expendable stem that allows it to store water
C)a waxy, outer coating to prevent the loss of the water
D) spines to protect it from animals that want its water
D) spines to protect it from animals that want its water
300
The diagram shows an incomplete food chain. Which of the following would best complete this food chain?
A) Producer
B) Consumer
C) Decomposer
D) Animal
A) Producer
300
The diagram shows a food web. What is the original source for all the energy in this food web?
A) Algae
B) The Sun
C) Minnows
D) Insect Larva
B) The Sun
300
Alligators are the large predators that eat many of the smaller animals in a swamp. How might removing the alligators from a swamp habitat create a decrease in vegetation?
A) Meat-eating animals would begin eating plants.
B) The plants in the swamp would get more sunlight.
C) Plants would not be able to spread their seeds.
D) More plant-eating animals would survive.
D) More plant-eating animals would survive.
400
Which of the following is a question that could be asked in a scientific investigation of how organisms depend on their environment?
A) How does temperature affect the formation of soil?B) What time of day produces the most precipitation?C) What is the effect of rainfall on the growth of grasses?
D) How fast does water erode different types of rock?
C) What is the effect of rainfall on the growth of grasses?
400
All of the following are examples of living things interacting with each other EXCEPT
A) birds preying on insects living in the grass
B) squirrels spreading the seeds of trees by burying them
C) fish eating plants and other smaller fish
D) frogs sleeping in the mud at the bottom of the pond
D) frogs sleeping in the mud at the bottom of the pond
400
The diagram illustrates a gulf food web. Which of the following organisms provides energy for more than one other organism in the food web?
A) Otter
B) Herring gull
C) Bluegill crab
D) Diamondback terrapin
C) Bluegill crab
400
The diagram shows a woodlands food chain. What is the role of the tree in the food chain?
Sun-->Tree-->Squirrel-->Hawk
A) To make energy available directly to the hawk
B) To use the sun’s energy to produce food
C) To break down waste products left by squirrels
D) To provide a place for the hawk to build its nest
B) To use the sun’s energy to produce food
400
For a certain area, over a five year period, data was collected on the human population as well as the population of birds. The data supports which of the following hypotheses?
A) Birds depend on humans to provide food in bird feeders.
B) Humans often hunt and kill animals that prey on birds.
C) Many humans enjoy observing birds in the environment.
D) Building more houses for humans removes trees birds need.
D) Building more houses for humans removes trees birds need.
500
Which is an interaction of a living organism with a nonliving component of an ocean ecosystem?
A) A sea turtle burying its eggs in sand
B) A killer whale eating harbor seals
C) Dolphins communicating with each other
D) A jellyfish stinging its prey
A) A sea turtle burying its eggs in sand
500
Prairie dogs eat grasses and some insects. They build their homes by digging tunnels underground. Which of the following environmental conditions would best meet the needs of a prairie dog?
A) Cool temperatures
B) Limited sunlight
C) Soft, loose soil
D) Few plants and trees
C) Soft, loose soil
500
The prairie food web illustrated here has producers and consumers. In this food web, how many more consumers than producers are there?
A) 2
B) 5
C) 7
D) 9
B) 5
500
The diagram shows a pond food web. What two organisms get their energy directly from insect larvae?
Minnows and sunfish
500
A highway is built through a forest. This will most likely have which of the following effects on the organisms in the area?
A) Increase the number of bird species in the forest
B) Raise the birth rate of animals on the forest floor
C) Eliminate all species of plants found in the forest
D) Make it difficult for animals to move through the forest
D) Make it difficult for animals to move through the forest