Name: ______Hr:_____

Ecology Study Guide

MUST BE 100% done to take the Test!!!!!

PAGE NUMBERS TO READ AND STUDYExtra Credit Opportunity

Chapter 3: p. 64-78Do Flash Cards!

Chapter 4: p. 99-104

Chapter 5: 130-141

  1. A biotic factor is any ______component of the environment.

Give 2 examples of a biotic factor:

  1. An abiotic factor is any ______component of the environement.

Give 2 examples of an abiotic factor:

  1. Match the following:

Name: ______Hr:_____

  1. Species ______
  2. Population______
  3. Community ______
  4. Ecosystem______
  5. Biome______
  6. Biosphere______
  1. All zebra that live in a certain grassland.
  2. Zebra
  3. Zebra, lion, anteaters, grass and trees in a certain area
  4. All the zebras, lions, anteaters, grass and trees in an area as well as the amount of sunlight and water available.
  5. All the living and non living things on our planet
  6. All the grassland area in the world, including all living and non living components

Name: ______Hr:_____

  1. The ______is the largest population that can be supported in a certain environment.
  2. What is the definition that I gave to you for a niche?
  1. Describe one predator/prey relationship.
  1. What is symbiosis?
  1. Match the following symbiotic relationships.

Name: ______Hr:_____

  1. Commensalism______
  2. Mutualism______
  3. Parasitism______
  1. Both organisms benefit,such as e.coli living in you intestines to help break down food
  2. One organism benefits and one organism is harmed ,such as a tick feeding on human blood
  3. One organism benefits and one is unaffected, such as bacteria feeding on human skin cells on the hand but not causing disease to the human

Name: ______Hr:_____

  1. ______will result when 2 organisms obtain the same niche, meaning they are using the exact same food resource and shelter in the exact same habitat.
  2. What is the definition of ecology?
  1. The number of individuals of a population in a specific area is called population ______.
  1. Match the following:

Name: ______Hr:_____

  1. Omnivore______
  2. Herbivore______
  3. Carnivore______
  4. Scavenger______
  5. Decomposer______
  1. An owl eats a mouse.
  2. A mouse eats grain.
  3. A raccoon eats both berries and mice.
  4. Bacteria break down decaying matter
  5. A vulture eats dead animals

Name: ______Hr:_____

  1. How are a food chain and a food web related?
  1. A ______pyramid shows how energy moves through a food chain. Only _____ of the stored energy gets transferred from one trophic level to the next highest trophic level. The most energy would be found in the ______trophic level.
  1. Plants are able to make their own food so they are called ______or ______. The animals that feed on plants are called ______consumers and those that feed on the herbivores are called ______consumers.
  1. What would happen to the populations of a specific roducers in a certain area if the primary consumer that feeds on that producer suddenly became extinct?
  1. Density ______factors limit population growth when populations are very large.
  2. Give one example:
  3. Density ______factors limit population growth regardless of population size.
  4. Give one example:

There has been a lot of vocabulary with this unit. Be sure that you not only understand the terms, but you also know how to apply them to various situations. The list below should help you determine which terms you know and which you need to study more.

Name: ______Hr:_____

  • abiotic

  • autotrophs

  • biodiversity

  • biome

  • biosphere

  • biotic

  • birth rate

  • carnivore

  • carrying capacity

  • carrying capacity

  • climax community

  • commensalism

  • community

  • competitive exclusion principle

  • death rate

  • decomposers

  • detritivores

  • detritus

  • ecological energy pyramid

  • ecology

  • ecosystem

  • ecosystem

  • emigration

  • energy flow

  • exponential growth

  • food chains

  • food webs

  • habitat

  • herbivore

  • herbivory

  • heterotrophs

  • immigration

  • lichens

  • logistic growth

  • mutualism

  • niche

  • omnivore

  • parasitism

  • pioneer species

  • population

  • population growth

  • predation

  • primary consumer

  • primary producers

  • primary succession

  • producer

  • scavengers

  • secondary consumer

  • secondary succession

  • species

  • succession

  • symbiosis

  • tertiary consumer

  • trophic levels