Ch. 3 Ecosystems Quizizz

Which of the following descriptions about the organization of an ecosystem is correct?

• Communities make up species, which make up populations.
• Populations make up species, which make up communities.
• Species make up communities, which make up populations.
• Species make up populations, which make up communities.

The simplest grouping of more than one kind of organism in the biosphere is

• a population.
• a community.
• an ecosystem.
• a species.

The lowest level of environmental complexity that includes living and nonliving factors is the

• biome.
• community.
• ecosystem.
• biosphere.

In which way are plants in a sunny mountain meadow and sulfur bacteria in a deep-sea volcanic vent alike?

• They both use photosynthesis to make their own food.
• They both produce carbohydrates and oxygen.
• They both use chemosynthesis to produce their own food.
• They both produce carbon and hydrogen.

A model of the complex feeding interactions among organisms in a community from producers to decomposers is called a

• food web.
• ecosystem.
• food chain.
• population.
• Option 5

What animals eat both producers and consumers?

• herbivores
• omnivores
• chemotrophs
• autotrophs

A bird stalks, kills, and then eats an insect. Based on its behavior, which pair of ecological terms describes the bird?

• herbivore, decomposer
• producer, heterotroph
• carnivore, consumer
• autotroph, herbivore

What goes in Box 5 of the food web in Figure 3–2?

• herbivores
• scavengers
• carnivores
• decomposers

What are the three kinds of ecological pyramids?

• producer, consumer, and decomposer
• energy, nutrient, and trophic
• energy, biomass, and numbers
• biotic, abiotic, and nutrient

A word that means the same thing as consumer is

• producer.
• autotroph.
• heterotroph.
• carbohydrate.