Ecology

Organisms that eat both plants and animals

• herbivores

• omnivores

• consumers

• producers

organisms that can act as both scavengers and predators

• herbivores

• omnivores

• consumers

• producers

organisms that make their own energy from the Sun

• herbivores

• omnivores

• consumers

• producers

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A living organism that puts materials from dead  plants and animals back to the soil is called a ____________?

• carnivore
• decomposer
• herbivore
• omnivore

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Clownfish live among the stinging tentacles of the sea anemone but never get stung. The sea anemone protects the clownfish from predators. The clownfish helps bring food to the carnivorous sea anemone. This is an example of a type of symbiotic relationship known as

• commensalism
• mutualism
• predation
• parasitism

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Which statement describes the BEST example of animals avoiding competition?

• A butterfly sips nectar from a flower.

• Wolves and foxes hunt the same prey.

• A squirrel finds a hole in a tree to store its food.

• A herd of elephants migrate from a densely populated area.

An increase in which of the following factors is likely to contribute to competition between two members of the same species living in a certain habitat?

• Available food resources

• Population of the species

• Annual snowfall

• Overall size of the habitat

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A niche ________________.

• is the function that an organism performs in the food web of that community.

• includes everything else the organism does and needs in its environment.

• is specific to each individual animal and plant.

• All of the above.

What makes an ecosystem?

• A sample of water or soil from an ecosystem

• All the abiotic factors in an ecosystem

• All the biotic factors in an ecosystem

• the biotic and abiotic factors in an ecosystem

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In a rainforest, one bird species feeds on fruits in the lower canopy while another similar bird species feeds on fruits in the upper canopy. How can these two bird species coexist in the same ecosystem?

• They occupy the same niche, but different habitats.

• They occupy the same habitat, but different niches.

• They occupy the same habitat and the same niche.

• They occupy different habitats and different niches.

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