Quizizz Copy of Topic 5: Ecosystems

Multiple Choice

What are organisms?

• Non-living things

• Living things

• Artificial objects

• Inanimate objects

Multiple Choice

What do different types of organisms live in?

• Identical environments

• Different types of surroundings

• The same habitat

• Artificial habitats

Multiple Choice

What are resources for organisms?

• Toys and games

• Food, water, shelter

• Cars and buildings

• Books and music

Multiple Choice

What is a habitat?

• A place for entertainment

• A type of organism

• What the environment provides for living, growing, and reproducing

• A type of food

Multiple Choice

What are biotic factors?

• Nonliving parts of a habitat

• Parts of a habitat that are or were once alive

• Physical components like water and rocks

• Temperature and light

Multiple Choice

Which of the following is considered a biotic factor?

• Rocks

• Light

• Waste products

• Temperature

Multiple Choice

What are abiotic factors?

• Living parts of a habitat

• Nonliving parts of an organism's habitat

• Interactions between organisms

• Waste products

Multiple Choice

Which of the following is an example of an abiotic factor?

• Plants

• Animals

• Soil

• Waste products

Multiple Choice

What is an organism?

• A single member of one species.

• All the members of one species living in a particular area.

• All the different populations that live together in an area.

• The community of organisms that lives in a particular area, along with the nonliving environment.

Multiple Choice

What defines a population in an ecosystem?

• A single member of one species.

• All the members of one species living in a particular area.

• All the different populations that live together in an area.

• The community of organisms that lives in a particular area, along with the nonliving environment.

Multiple Choice

What are communities in the context of ecosystem organization?

• A single member of one species.

• All the members of one species living in a particular area.

• All the different populations that live together in an area.

• The community of organisms that lives in a particular area, along with the nonliving environment.

Multiple Choice

What is an ecosystem?

• A single member of one species.

• All the members of one species living in a particular area.

• All the different populations that live together in an area.

• The community of organisms that lives in a particular area, along with the nonliving environment.

Multiple Choice

What happens to a population size when there are more births than deaths?

• The population declines.

• The population grows.

• The population remains steady.

• The population becomes extinct.

Multiple Choice

What does immigration mean in terms of population?

• Moving out of a population.

• Moving into a population.

• Decreasing the population size.

• Stabilizing the population size.

Multiple Choice

What is population density?

• The number of births in a population.

• The number of deaths in a population.

• The number of individuals in an area divided by the size of the area.

• The rate of immigration and emigration.

Multiple Choice

What does emigration mean in terms of population?

• Moving into a population.

• Moving out of a population.

• Increasing the birth rate.

• Decreasing the death rate.

Multiple Choice

What is a limiting factor in population growth?

• A factor that causes a population to increase rapidly

• A factor that causes a population to stop growing or decrease

• A factor that has no effect on population size

• A factor that only affects plant populations

Multiple Choice

How can food and water affect population growth?

• They can only increase population growth

• They have no impact on population growth

• They can be limiting factors for population growth

• They always decrease population growth

Multiple Choice

What role does climate play in population growth?

• Climate changes have no effect on population growth

• Climate changes can limit population growth

• Climate always increases population growth

• Climate only affects animal populations

Multiple Choice

How does space and shelter affect population growth?

• They always increase population growth

• They have no effect on population growth

• Competition for space can decrease population

• They only affect plant populations

Multiple Choice

What is the role of producers in an ecosystem?

• They break down biotic wastes.

• They obtain energy by feeding on other organisms.

• They make their own food.

• They consume other producers.

Multiple Choice

How do most producers obtain their energy?

• From other organisms.

• From the sun.

• From decomposing matter.

• From water.

Multiple Choice

What is the primary role of consumers in an ecosystem?

• To make their own food.

• To break down dead organisms.

• To obtain energy by feeding on other organisms.

• To produce energy from chemicals.

Multiple Choice

What do decomposers do in an ecosystem?

• They produce their own food.

• They feed on other organisms.

• They break down biotic wastes and dead organisms.

• They compete with producers for sunlight.

Multiple Choice

Where does energy in most ecosystems come from?

• Water

• Sunlight

• Soil

• Wind

Multiple Choice

How do producers convert energy into food?

• Respiration

• Digestion

• Photosynthesis

• Fermentation

Multiple Choice

What are the models used to describe the movement of energy and matter?

• Food chains, food webs, and energy pyramids

• Water cycles, carbon cycles, and nitrogen cycles

• Rock cycles, water cycles, and carbon cycles

• Food chains, water cycles, and rock cycles

Multiple Choice

What happens to the energy and matter contained in producers?

• They are lost to the environment

• They are transferred to herbivores

• They are stored indefinitely

• They are converted into minerals

Multiple Choice

What does a food chain represent?

• The movement of water in an ecosystem

• A series of events where one organism eats another and obtains energy

• The growth of plants in a habitat

• The migration patterns of birds

Multiple Choice

What do the arrows in a food chain indicate?

• The direction of the wind

• The movement of energy and matter

• The flow of water

• The growth of plants

Multiple Choice

What is a more realistic way to show how energy and matter cycle through an ecosystem?

• A food pyramid

• A food web

• A water cycle diagram

• A plant growth chart

Multiple Choice

What role can organisms play in a food web?

• Only producers

• Only first-level consumers

• More than one role, such as first-level and second-level consumers

• Only decomposers

Multiple Choice

What does an energy pyramid show?

• The amount of energy that moves from one feeding level to another.

• The number of organisms at each feeding level.

• The types of species in a habitat.

• The speed of energy transfer in a food web.

Multiple Choice

Who has the most available energy in an energy pyramid?

• Consumers

• Decomposers

• Producers

• Predators

Multiple Choice

What percentage of energy is typically available to the next higher level in a food web?

• 50%

• 25%

• 10%

• 5%

Multiple Choice

Why do producers make up the biggest part of the energy pyramid?

• They consume the most energy.

• They have the most available energy.

• They are the largest organisms.

• They are at the top of the food chain.

Multiple Choice

What does the Law of Conservation of Mass state?

• Matter can be created and destroyed.

• Matter is neither created nor destroyed.

• Energy can be created and destroyed.

• Energy is neither created nor destroyed.

Multiple Choice

According to the Law of Conservation of Energy, what happens when energy is transformed from one form to another?

• Some energy is lost in the process.

• No energy is lost in the process.

• Energy is created in the process.

• Energy is destroyed in the process.

Multiple Choice

What type of system is Earth described as in terms of its components?

• Open system

• Isolated system

• Closed system

• Dynamic system

Multiple Choice

What does a closed system mean in the context of Earth?

• It has unlimited amounts of matter and energy.

• It exchanges matter and energy freely with its surroundings.

• It has fixed amounts of its components, including matter and energy.

• It creates new matter and energy constantly.

Multiple Choice

What is the process called when molecules at the surface of liquid water absorb enough energy to change to a gas?

• Condensation

• Precipitation

• Evaporation

• Sublimation

Multiple Choice

During which process does a gas change into a liquid and form clouds?

• Evaporation

• Condensation

• Precipitation

• Freezing

Multiple Choice

What happens to drops in clouds as they grow larger and heavier?

• They evaporate

• They form clouds

• They fall as precipitation

• They turn into gas

Multiple Choice

Which of the following is NOT a form of precipitation?

• Rain

• Snow

• Fog

• Hail

Multiple Choice

What do producers take in from the air during the carbon cycle?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Hydrogen

Multiple Choice

What is released by producers as a product of photosynthesis in the oxygen cycle?

• Carbon Dioxide

• Oxygen

• Nitrogen

• Methane

Multiple Choice

According to the law of conservation, what remains constant on Earth?

• The number of hydrogen atoms

• The number of carbon and oxygen atoms

• The number of nitrogen atoms

• The number of helium atoms

Multiple Choice

What is one human impact on the carbon cycle?

• Planting more trees

• Burning fossil fuels

• Increasing oxygen levels

• Reducing carbon emissions

Multiple Choice

What percentage of the atmosphere is made up of nitrogen gas?

• 50%

• 78%

• 25%

• 90%

Multiple Choice

What is the process of changing free nitrogen into a usable form called?

• Photosynthesis

• Nitrogen fixation

• Respiration

• Combustion

Multiple Choice

Which organisms help in the process of nitrogen fixation by living on the roots of some plants?

• Fungi

• Bacteria

• Algae

• Viruses

Multiple Choice

What natural phenomenon can also fix nitrogen?

• Earthquakes

• Lightning

• Rain

• Wind