Ecological Relationships

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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?

Population Signup and view all the answers

What is the difference between habitat and niche?

Habitat refers to where an organism lives, while niche refers to how an organism meets its needs. Signup and view all the answers

What is an example of a symbiotic relationship?

A close and permanent relationship between organisms Signup and view all the answers

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

Autotrophs Signup and view all the answers

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

Sunlight Signup and view all the answers

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

Producer Signup and view all the answers

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

10% Signup and view all the answers

What does the Pyramid of Biomass show?

The total dry weight of living materials at each trophic level. Signup and view all the answers

Which elements are essential to all forms of life?

Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur Signup and view all the answers

What is the primary source of water on Earth?

Oceans 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?

Phosphorus Signup and view all the answers

What gas do producers make through photosynthesis?

Oxygen Signup and view all the answers

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

Mineral salts Signup and view all the answers

What are mineral salts made of?

Nitrogen, calcium, sulfur, and phosphorus Signup and view all the answers

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

To determine which solution is harmful to planaria Signup and view all the answers

Which salt solution would be most harmful to the planaria?

5% Solution Signup and view all the answers

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

5% Solution Signup and view all the answers

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

No Salt Signup and view all the answers

Which of the following is a primary consumer?

Caterpillar Signup and view all the answers

What is a food web?

A group of connected food chains Signup and view all the answers

How do primary consumers get their energy?

They eat producers Signup and view all the answers

Which organisms in the food chains are considered secondary consumers?

Fox, snake, owl Signup and view all the answers

Which of the following is NOT a terrestrial biome?

Coral Reef Signup and view all the answers

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

Lichens Signup and view all the answers

Which biome receives the smallest amount of rainfall?

Desert Signup and view all the answers