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Trophic Biology Classification Quiz

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Questions and Answers

Why do herbivores need to eat more compared to plants?

Due to the imbalance in C:N ratio between plants and herbivores (correct)

To obtain more oxygen for respiration

To obtain more sunlight for energy production

Because their bodies require more water than plants

What is the primary source of energy for autotrophs?

Carbon dioxide

Hydrogen gas

Nitrogen gas

Solar energy (correct)

What do detrivores feed on?

Plants

Mineral nutrients

Non-living organic matter (correct)

Animals

Why do herbivores face substantial nutritional chemistry problems?

To compensate for the difference between food nutrient content and growth requirements (B) Signup and view all the answers

Which feeding category mainly preys on animals?

Carnivores (D) Signup and view all the answers

Why do plants form mutualistic associations with mycorrhizal fungi?

To obtain limiting nutrients from the fungi (D) Signup and view all the answers

What is the primary nutrient that mycorrhizal fungi provide to plants?

Phosphorus (A) Signup and view all the answers

Which of the following is a key characteristic of arbuscular mycorrhizal fungi?

They produce arbuscules, hyphae, and vesicles. (D) Signup and view all the answers

Why are plant cell walls, which are rich in cellulose and lignin, not easily digested by most animals?

Animals lack the necessary enzymes to break down these structural carbohydrates. (C) Signup and view all the answers

Which type of functional response is characterized by a linear increase in feeding rate at low food densities, followed by a slower increase at intermediate densities and a leveling off at high food densities?

Type 2 (A) Signup and view all the answers

Which of the following animals is an example of the Type 1 functional response?

Baleen whale (D) Signup and view all the answers

What is the key characteristic of the Type 3 functional response?

Feeding rate is s-shaped, with the organism ignoring prey at low densities. (D) Signup and view all the answers