Living Systems ReviewThursday, February 6

Which is an interaction of a living organism with a non-living component of an ocean ecosystem?

A. A sea turtle burying its eggs in sandB. A killer whale eating harbor sealsC. Dolphins communicating with each otherD. A jelly fish stinging its prey

Prairie dogs eat grasses and some insects. They build their homes by digging tunnels underground. Which of the following environmental conditions would best meet the needs of a prairie dog?

A. Cool temperaturesB. Limited sunlightC. Soft, loose soilD. Few plants and trees

Which of the following describes a relationship in which one organism depends on another for its needs?

A. A rabbit burrowing in the groundB. A hawk catching and eating a mouseC. A frog cooling off in a pondD. An oak trees absorbing sunlight for food

Plants and animals have different needs that are met by their environment. Which of the following are examples of resources the environment provides that are needed by both plants and animals?

A. Sunlight and waterB. Soil and airC. Water and AirD. Sunlight and soil

When animals eat other animals, they are depending on the other animals for —

A. shelterB. oxygenC. warmthD. energy