Quiz about Food Web and Food Chain Quiz

Question 1

According to the food web, which organism is a producer in the mangrove swamp?

Accepted Answer

phytoplankton

Answer

crab

Answer

mold

Answer

pelican

Question 2

This relationship between the butterflies and milkweed is an example of which of the following?

Accepted Answer

Mutualism

Answer

Commensalism

Answer

Parasitism

Answer

Predation

Question 3

A food chain provides details about the food relationships among organisms in an ecosystem. This food chain shows some of the plants and animals that could be observed in a meadow ecosystem. What is the source of energy for the snake?

Accepted Answer

the toad

Answer

the owl

Answer

sunlight

Answer

green plants

Question 4

Remoras are small fish that attach to sharks but do not harm them. When sharks tear prey apart, remoras eat the leftovers. What relationship do remoras have with sharks?

Accepted Answer

commensalism

Answer

mutualism

Answer

parasitism

Answer

predator-prey

Question 5

Honeybees are important pollinators of flowers. Mites that live in the bodies of bees can attack honeybee colonies. Some birds, amphibians, and insects eat honeybees. Which of the following relationships is not included in the description above?

Accepted Answer

commensalism

Answer

parasitism

Answer

mutualism

Answer

predator-prey

Question 6

The graph below shows the populations of wolves and rabbits in a forest.

Which inference could explain the decrease in the rabbit population from 1995 to 2000?

Accepted Answer

A limiting factor other than wolf predation caused a decrease in the rabbit population after 1995.

Answer

An increase in the wolf population caused a decrease in the rabbit population due to predation.

Answer

A decrease in the wolf population caused a decrease in the rabbit population due to predation.

Answer

Both wolves and rabbits depend on the same natural resources, which became scarce after 1995.

Question 7

Which inference could explain the decrease in the rabbit population from 1995 to 2000?

Accepted Answer

An increase in the wolf population caused a decrease in the rabbit population due to predation.

Answer

A decrease in the wolf population caused a decrease in the rabbit population due to predation.

Answer

Both wolves and rabbits depend on the same natural resources, which became scarce after 1995.

Answer

A limiting factor other than wolf predation caused a decrease in the rabbit population after 1995.

Question 8

In all areas of the world, groundwater is an important source of drinking water. However, in many areas, the groundwater is being polluted, mainly by nitrates. Sometimes the groundwater is so polluted, it is no longer able to be used as drinking water. What is the most likely source of the nitrate pollutants?

Accepted Answer

Use of fertilizers by farmers and homeowners

Answer

Too many weeds growing near bodies of water

Answer

Litter in the form of plastic bottles and aluminum cans

Answer

The abundance of apartment complexes in urban areas

Question 9

Dams are barriers that prevent the flow of water. They are created to provide flood control, recreational areas, water for irrigation, and hydroelectric power. Although dams serve many important purposes, they can also have a negative impact on the environment by

Accepted Answer

Preventing fish from moving along a river.

Answer

Increasing fresh water sources for humans.

Answer

Serving as a place for people to have picnics.

Answer

Providing new wildlife habitat

Question 10

In 1906, there were an estimated 4,000 deer on the Kaibab Plateau. The government decided to create a preserve for them. Livestock had overgrazed the food on the plateau. The Forest Service chose to move the horses, sheep, and cows off of the preserve. They also decided to remove the deers' natural predators. In 1920, the Forest Service discovered that the number of deer in the preserve was very large. By 1923, most of the deer were starving from a lack of food. Which statement best describes what happened on the Kaibab Preserve?

Accepted Answer

Because there were no natural predators, the deer population grew too large.

Answer

Overgrazing by livestock caused the deer on the Kaibab Plateau to starve.

Answer

The natural predators could not keep up with the growth of the deer population.

Answer

The large growth and starvation of the deer population was simply a natural event.

Question 11

In the early 1900's, government officials wanted to convert parts of the Everglades into farmland. They wanted to drain parts of the Everglades to make the land suitable for agriculture and development. The loss of water changed features of the marsh, making it impossible for alligators to dig their burrows on the water's edge. How would these changes to the Everglades affect biodiversity?

Accepted Answer

Animals will be cut off from the resources important to their survival.

Answer

The available ecosystem will become larger for the animals in the Everglades.

Answer

Animals will improve their migratory patterns.

Answer

migratory patterns.

Animals will be exposed to less pollution than before.

Question 12

Some organisms live in areas where many individuals share the same space. Certain species of fish travel in schools in this way. They live and move very closely together. Which of these statements describes a negative impact of living so closely together?

Accepted Answer

Spreading diseases between individuals is more likely.

Answer

Searching for food is more difficult.

Answer

Keeping young safe takes more effort.

Answer

Avoiding predators is more challenging.

Question 13

The picture below shows a tree that is covered with mistletoe.

Mistletoe can be seen growing on a variety of trees in nature. The mistletoe takes nutrients and water from the trees so that it can survive. How would you classify the relationship between the trees and the mistletoe?

Accepted Answer

B. Parasitism

Answer

A. Predation

Answer

C. Mutualism

Answer

D. Commensalism

Question 14

In December 2011, biologists found that the number of mammals in Everglades National Park had significantly decreased from a 2005 study. There was a 99% decrease in the number of raccoons, opossums, bobcats and deer. Biologists concluded that the Burmese python are responsible for the decreased numbers of mammals. What is the relationship between the python and the mammals?

Accepted Answer

predation

Answer

commensalism

Answer

mutualism

Answer

parasitism

Question 15

Below is a mangrove food web. Energy flow is represented by arrows. What relationship represents a flow of energy from primary consumer to secondary consumer?

What relationship represents a flow of energy from primary consumer to secondary consumer?

Accepted Answer

The small fish eats the bacteria.

Answer

The prawn eats the small fish.

Answer

The heron eats the prawn.

Answer

The bacteria eat the mangrove leaves.

Question 16

A tiny shrimp lives among the poisonous spines of a sea animal called the fire urchin. The spines provide the shrimp with protection from enemies. The fire urchin gains no benefit from the shrimp, but the shrimp causes it no harm. What term is used to describe this type of relationship?

Accepted Answer

commensalism

Answer

mutualism

Answer

predator-prey

Answer

parasitism

Question 17

The representation below shows a food web involving some of the organisms in the Great Barrier Reef.

Which of the following correctly identifies a primary, secondary, and tertiary consumer for this food web?

Accepted Answer

Question 18

Between the summers of 2020 and 2021, Census data found certain cities in the United States to have the greatest rate of population growth. One of the cities on this list was Fort Myers. Fort Myers, a city in Florida had a 6.8% population increase during this time. Which of the following examples best describes an effect of people moving to large cities?

Accepted Answer

Emissions from motor vehicles increase smog in the air that can trap heat from the Sun.

Answer

More land is available in large cities to grow crops.

Answer

Wildlife diversity increases due to more open spaces within the city.

Answer

The greater concentration of people in large cities reduces overall waste production and accumulation on Earth.

Question 19

There are very few coastal areas today that do not have houses or businesses lining the shores in Florida. As more and more people have moved to the coasts, there has been concern about the impacts all of these developments have on the beaches. To help protect the beaches, in some areas there has been a large effort to plant sea oats.

How does planting sea oats help protect the shores from human development?

Accepted Answer

The sea oats hold onto the sand, preventing erosion.

Answer

The sea oats provide places for marine animals to give birth.

Answer

The sea oats protect the houses from storms and high winds.

Answer

The sea oats add beauty to the area, so more people will move in.

Food Web and Food Chain Quiz

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