Unit 2: Ecology Unit Review

What are the two parts of an ecosystem?

• water and sunlight
• all biotic and abiotic factor

• producers and consumers
• soil and nutrients

_______ is the study of relationships among living and nonliving parts of an environment. 

• Ecosystem
• Niche
• Habitat
• Ecology

What is a niche?

• the place where a species lives
• what a species eats
• the role of a species
• how a species uses resources

The process by which plants use sunlight to make sugar from water and carbon dioxide is called 

• pollination
• photosynthesis

• scavenging
• fertilization

A food web

• shows how energy is released by an organism
• compares the amount of energy at each level
• shows how different food chains in a community are linked together
• is unique since each organism can only be part of one food web

In an ecological pyramid, 

• the organisms in each level eat those in the level below them
• the amount of energy increases as you move up each level
• producers are at the top
• the smallest organisms are at the top

Which of the following is another word for a producer?

• autotroph
• heterotroph
• consumer

Which of the following is an organism that eats only meat?

• herbivore
• carnivore
• omnivore

In which type of relationship do both species benefit?

• parasitism
• mutualism
• commensalism

Barnacles grow on whales.  Whales give the barnacles a place to live but the barnacles do not help or harm the whale.  Which type of relationship is this?

• commensalism
• mutualism
• parasitiesm