Living things depend on many different _________ in order to survive.

• resources
• environments
• ecosystems
• interactions

Plants compete for air, water, ________ within ecosystems.

• space, and sound
• sunlight, and wind
• space, and sunlight

An invasive species is a plant or animal that is ________ to an ecosystem.

• not native
• just visiting
• beneficial
• not friendly

Hawks and owls eat the same type of food and struggle with one another to get their food. What is this an example of?

• Competition

• Biotic factor

• Symbiosis

• Population

Hawks and brown bears live together in the same habitat. There will be competition between the hawks and the brown bears only if which of the following is true?

• Brown bears hibernate during the winter while hawks remain active.

• Pesticides in the fish population affect hawks’ eggs and decrease their population.

• Both brown bears and hawks feed on the same species of fish.

• Both Shanna and Savanna feed on the same species of snakes.

Competition becomes more important as the number of individuals ______ or the availability of resources _________.

• increases, decreases

• increases, increases

• decreases, increases

• decreases, decreases

Competition between members of the same species is known as INTERspecific competition

• True

• False, INTRAspecific

an organism that hunts, captures, and consumes another organism for food

• Food chain

• Autotroph

• Predator

• Prey

An organism that is hunted and eaten by another organism

• Food chain

• Autotroph

• Predator

• Prey

the ROLE of the organism in its environment

• INTERspecific competition

• Niche

• INTRAspecific

  Competition

• Carnivore