BVHS Ecology Quiz: Trivia!

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| By Justin Lovrien
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Justin Lovrien
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Quizzes Created: 23 | Total Attempts: 7,048
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1. Which of the following organisms is an autotroph?

Explanation

Autotrophs get their energy from inorganic sources and they are also known as producers. Plants and algae.

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About This Quiz
BVHS Ecology Quiz: Trivia! - Quiz


How well do you know about BVHS ecology? Ecology is the study of relationships that an organism has in its environment. For this quiz, you will want to... see moreunderstand what a secondary consumer is, items that may or may not be recycled, different factors in an ecosystem, and what constitutes a trophic level. This educational quiz will explain this branch of science. Good luck with this quiz. see less

2. On average, the amount of energy that is passed from one organism to the next in a food chain is:

Explanation

On average, only 10% of the energy stored in the tissue of one trophic level is converted into stored energy at the next trophic level. Where does the other 90% go? Used to heat body, move around, lost as waste and lost as carbon dioxide after respiration releases the energy from our food.

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3. On what trophic level would you find organisms that use the sun's energy directly to make their own food?

Explanation

Only producers get their energy directly from the sun; all others (consumers) get their energy from eating other living things. Producers are found at the bottom, or the first level, of an energy pyramid.

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4. An animal that only eats the flesh of another animal is called a:

Explanation

This includes "flesh of animal" so it isn't an omnivore, which would consumer some plants.

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5. The ecological role of an organism within an ecosystem is called its:

Explanation

Niche describes how an organism uses its habitat (the physical world in which it lives); what it eats, where it dens/sleep, how it captures food, etc. Biomass is just the mass of all the living tissue in an area.

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6. Mushrooms and other fungi are responsible for breaking down dead organic matter. In the ecosystem, they are called:

Explanation

Decomposers are consumers and they feed at all trophic levels (if any organism dies, it decomposed by bacteria, bugs, mushrooms, etc)

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7. Which of the following is considered the main source of excess carbon dioxide in the atmosphere leading to global climate change?

Explanation

The other three options release carbon dioxide but they have been doing so for millions of years. The recent rise in carbon dioxide levels is due to the great increase is combustion as we burn fossil fuels.

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8. Which of the following is an abiotic factor in an ecosystem?

Explanation

Abiotic means not-living; all other options are living, or BIOTIC.

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9. In which cycle would you find transpiration?

Explanation

Transpiration is the lose of water from plant leaves (plant sweat).

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10. The ultimate source of energy for most organisms is:

Explanation

Organisms need all these things, but only the sun is a source of energy.

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11. The above image represents what type of relationship?

Explanation

Mosquito gets nutrients from the blood and humans suffer a little bit from losing the nutrients from the blood.

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12. Which of the following cannot be recycled?

Explanation

We say energy flows (one-way, from the sun to producers to consumers, and if we don't constantly get input from the sun, energy on plant Earth will runout) while nutrients cycle (other three options continually cycle through our planet).

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13. The release of water vapor from the leaves of trees is called:

Explanation

Transpiration is the process by which water vapor is released from the leaves of trees. It is a vital part of the water cycle, where water is absorbed by the roots, transported to the leaves, and then evaporated through small openings called stomata. This process helps to regulate the temperature of the plant, transport nutrients, and maintain the plant's structure. Therefore, transpiration is the correct term for the release of water vapor from tree leaves.

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14. In the terrestrial food web above, what would be the effect of a farmer introducing a rat poison into the ecosystem that is toxic to rats and mice?

Explanation

In this food web, look for the most direct connection; the fox eats mice directly.

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15. An area was recently destroyed by a raging wildfire. Which of the following events would allow secondary succession to take place?

Explanation

Secondary succession is when a community is disrupted (fire, flood) and a new community replaces a previously existing community. This is different from primary in a number of ways, but a big difference is the existence of good, nutrient-rich soil in secondary succession.

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16. In the following food chain, which organism is the secondary consumer? grass ------> rabbit -------> snake ------> hawk

Explanation

The snake feeds at the THIRD trophic level, but it goes producer -- primary consumer --SECONDARY CONSUMER (snake eating rabbit, a herbivore).

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17. The term "nitrogen fixation" refers to:

Explanation

The correct answer is the process where bacteria in legumes turns nitrogen into a form that plants can use. Nitrogen fixation is the process in which certain bacteria, such as Rhizobium, convert atmospheric nitrogen gas into a form that can be used by plants. These bacteria form a symbiotic relationship with legumes, such as peas and beans, and live in nodules on their roots. The bacteria take in nitrogen gas from the air and convert it into ammonia, which is then used by the plants to synthesize proteins and other essential molecules. This process is important for maintaining nitrogen levels in the soil and promoting plant growth.

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18. Succession where glaciers melt and expose new rock is called:

Explanation

There was no preexisting life, so this makes it primary succession.

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19. Lichen is a symbiotic decomposer that attaches itself to trees and slowly breaks them down. They obtain nutrients from the tree, allowing them to survive and reproduce. What type of relationship is this?

Explanation

Even if you don't know what a lichen is, you should recognize this organism is benefiting (getting food) while the tree suffers as it is weakened by the loss of tissue and nutrients as the lichen feeds on the tree. Similar to a tick and a human. A predator is usually larger than the prey and kills the organism when consuming/eating the organism.

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20. Which of the following statements is true about matter and energy?

Explanation

Recall water, nitrogen, and carbon are never used up, they just cycle into various forms. Energy needs are constantly added to our planet from the sun.

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21. In the nitrogen cycle, the term "nitrification" refers to:

Explanation

When something dies and it decays, 'nitrification' is the process of converting the plant or animal into fertilizer. Legumes turning air into fertilizer is 'nitrogen fixation' and animals getting nitrogen from eating legumes is 'assimilation.'

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22. What is respiration?

Explanation

Know the equation for respiration! In our cells, we use oxygen to 'burn' our food, releasing useful energy and carbon dioxide and water.

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Which of the following organisms is an autotroph?
On average, the amount of energy that is passed from one organism to...
On what trophic level would you find organisms that use the sun's...
An animal that only eats the flesh of another animal is called a:
The ecological role of an organism within an ecosystem is called its:
Mushrooms and other fungi are responsible for breaking down dead...
Which of the following is considered the main source of excess carbon...
Which of the following is an abiotic factor in an ecosystem?
In which cycle would you find transpiration?
The ultimate source of energy for most organisms is:
The above image represents what type of relationship?
Which of the following cannot be recycled?
The release of water vapor from the leaves of trees is called:
In the terrestrial food web above, what would be the effect of a...
An area was recently destroyed by a raging wildfire. Which of the...
In the following food chain, which organism is the secondary consumer?...
The term "nitrogen fixation" refers to:
Succession where glaciers melt and expose new rock is called:
Lichen is a symbiotic decomposer that attaches itself to...
Which of the following statements is true about matter and energy?
In the nitrogen cycle, the term "nitrification" refers to:
What is respiration?
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