Study Guide for Ecosystems

 

  1. A _______________ provides a more accurate model of the way energy moves through a community.

 

  1. All the clown fish in an aquarium would represent a_______________.

 

  1. The bodies of most organisms are 50% to 90% __________.

 

  1. ______________ is a symbiotic relationship that benefits both species.

 

  1. Define predator.

 

  1. How do decomposers obtain energy in an ecosystem?

 

  1. _______________ can cause a population to not grow larger forever.( limiting factors, biotic potential, habitats, symbiosis)

 

  1. Which organisms in a food chain have the most available energy?         ( those in the last link, those in the middle or those in the first link)

 

  1. Define Niche.

 

  1. The _________________ is the science of the environment, its components, and the interactions between them.

 

  1. Label the following as abiotic or biotic factors?

Air

Animals

Soil

Water

Plants

 

 

 

 

  1. What is a local network of plants, animals, and the surrounding environment called?

 

  1. What is the ultimate source of energy in the energy pyramid?

(Water, air sunlight, or soil)

 

  1. Define Parasites.

 

  1. Name an animal and its adaptation that helps it obtain food.

 

  1. Abiotic factors are all _________________.

 

  1. Biotic factors are all __________________.

 

  1. Label the following as producer, consumer, or decomposer.

Corn

Lion

Bacteria

Fungi

     Tigers

     Bean plants

     Algae

     Cat

     Vultures

     Earthworms

     Millipedes

     Elephants

     Grass

 

  1. A ____________ is a series of overlapping food chains that exist in an ecosystem.

 

  1. A _____________ is a large region where plants and animals are well adapted to the soil and climate.( biome, or habitat)

 

  1. Define Mutualism.

 

 

  1. All the individuals of one species that live in the same area at the same time are ____________________.

 

23. Where a Zebra lives is called its _______________.

 

  1. Scientists call tropical rainforests, mountains, tundra, desert and grasslands________________.

 

  1. Label the following cycles.