Biology ยท Environmental Studies

Ecosystem Nutrition and Energy Flow

1,235 Questions

Ecosystem nutrition and energy flow questions cover trophic levels, food chains, and biodegradable materials. These concepts frequently appear in general science sections of major competitive exams. Review these questions to build a solid understanding of ecological interactions.

Trophic levels conceptFood chain orderAutotrophic nutritionEnergy assimilationScavengers and decomposers

Ecosystem Nutrition and Energy Flow Questions

Multiple choice

What are some of the key research questions related to ancient mass migrations?

  1. What were the major drivers of ancient mass migrations?

  2. How did ancient mass migrations impact the evolution of organisms?

  3. What are the similarities and differences between ancient and modern mass migrations?

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Key research questions related to ancient mass migrations include what were the major drivers of ancient mass migrations, how did ancient mass migrations impact the evolution of organisms, and what are the similarities and differences between ancient and modern mass migrations.

Multiple choice

What is the term for the process by which animals obtain energy from food?

  1. Digestion

  2. Cellular respiration

  3. Photosynthesis

  4. Nitrogen fixation
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cellular respiration is the process by which animals obtain energy from food.

Multiple choice

What is the term used to describe the different types of feeding strategies employed by benthic organisms?

  1. Pelagic feeding strategies

  2. Nektonic feeding strategies

  3. Benthic feeding strategies

  4. Planktonic feeding strategies
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Benthic feeding strategies include deposit feeding, suspension feeding, filter feeding, and predation.

Multiple choice

Which of the following is an example of a benthic feeding strategy?

  1. Filter feeding

  2. Grazing

  3. Photosynthesis

  4. Scavenging
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Filter feeding is a common benthic feeding strategy in which organisms filter small particles from the water.

Multiple choice

The concept of trophic levels refers to:

  1. The different levels of energy transfer in a food chain or web

  2. The different types of organisms in a community

  3. The different habitats in an ecosystem

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Trophic levels refer to the different levels of energy transfer in a food chain or web, with primary producers at the bottom and top predators at the top.