Ecological Relationships

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Questions and Answers

Which of the following describes a mutualistic relationship?

  • One species benefits while the other is neither harmed nor helped
  • One species benefits while the other is harmed
  • Both species benefit (correct)
  • No species benefits

What type of relationship is exhibited between Spanish Moss and trees in Florida?

  • Commensalism (correct)
  • Mutualism
  • Competition
  • Parasitism

Which of the following is an example of a decomposer?

  • Deer
  • Tree
  • Fungi (correct)
  • Algae

Which term refers to a group consisting of all the members of a species who live in a defined area?

<p>Population (A)</p> Signup and view all the answers

What is the difference between habitat and niche?

<p>Habitat refers to where an organism lives, while niche refers to how an organism meets its needs. (B)</p> Signup and view all the answers

What is an example of a symbiotic relationship?

<p>A close and permanent relationship between organisms (D)</p> Signup and view all the answers

Which type of organism makes up the base of the Pyramid of Energy?

<p>Autotrophs (C)</p> Signup and view all the answers

What is the source of energy for all of these ecological pyramids?

<p>Sunlight (D)</p> Signup and view all the answers

At which level of the food web is the supply of energy the greatest?

<p>Producer (A)</p> Signup and view all the answers

What percent of the energy is transferred from one trophic level to the next?

<p>10% (B)</p> Signup and view all the answers

What does the Pyramid of Biomass show?

<p>The total dry weight of living materials at each trophic level. (D)</p> Signup and view all the answers

Which elements are essential to all forms of life?

<p>Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur (D)</p> Signup and view all the answers

What is the primary source of water on Earth?

<p>Oceans (B)</p> Signup and view all the answers

Which element is weathered out of rocks and is essential for amino acids, DNA, RNA, and other small molecules in our bodies?

<p>Phosphorus (C)</p> Signup and view all the answers

What gas do producers make through photosynthesis?

<p>Oxygen (D)</p> Signup and view all the answers

Which of the following is an example of an abiotic part of an ecosystem?

<p>Mineral salts (B)</p> Signup and view all the answers

What are mineral salts made of?

<p>Nitrogen, calcium, sulfur, and phosphorus (A)</p> Signup and view all the answers

What is the purpose of adding salt solutions to the petri dish with planaria?

<p>To determine which solution is harmful to planaria (A)</p> Signup and view all the answers

Which salt solution would be most harmful to the planaria?

<p>5% Solution (D)</p> Signup and view all the answers

Which solutions caused a change in the movement of the planaria?

<p>5% Solution (D)</p> Signup and view all the answers

Which solution did not change the shape and movement of planaria?

<p>No Salt (D)</p> Signup and view all the answers

Which of the following is a primary consumer?

<p>Caterpillar (A)</p> Signup and view all the answers

What is a food web?

<p>A group of connected food chains (C)</p> Signup and view all the answers

How do primary consumers get their energy?

<p>They eat producers (C)</p> Signup and view all the answers

Which organisms in the food chains are considered secondary consumers?

<p>Fox, snake, owl (B)</p> Signup and view all the answers

Which of the following is NOT a terrestrial biome?

<p>Coral Reef (A)</p> Signup and view all the answers

What is the first species to begin colonizing the barren rock in primary succession?

<p>Lichens (C)</p> Signup and view all the answers

Which biome receives the smallest amount of rainfall?

<p>Desert (B)</p> Signup and view all the answers

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Related Documents

Ecological Relationships PDF
Nutrition & Energy Flow PDF
Nutrient Cycles PDF
Ecosystem Jars Lab - PDF
Food Chain & Food Web Lab 8 PDF
Biomes PDF
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