🔗 Food Chains and Food Webs
Explore the flow of energy and nutrients through ecosystems by mastering food chains and food webs. Learn how organisms interact as producers and consumers, and discover how changes in one population can ripple throughout an entire ecosystem. **What you'll learn:** - Construct and analyze simple food chains with producers and consumer levels - Build complex food webs showing multiple feeding pathways - Predict ecosystem changes when organisms are added or removed - Identify herbivores, carnivores, and omnivores in ecological relationships
Questions in this quiz
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- Question 1
In a food chain, which organism is always found at the beginning and produces its own food using sunlight?
- Question 2
An omnivore is an organism that eats only plants.
- Question 3
Which of the following represents a correct food chain?
- Question 4
In a food web, what do the arrows represent?
- Question 5
A herbivore is best defined as an organism that eats only:
- Question 6
What would most likely happen to a food web if all the plants disappeared?
- Question 7
A primary consumer is an animal that eats only other animals.
- Question 8
Which organism is correctly identified as a carnivore?
- Question 9
In a food web with multiple food chains, why do ecologists study the connections instead of just looking at individual food chains?
- Question 10
If rabbits are removed from a food web containing grass, rabbits, foxes, and hawks, what would most likely happen?
- Question 11
A secondary consumer is always a carnivore that eats primary consumers.
- Question 12
A bear eats fish, berries, and occasionally other animals. How would you classify this organism?
- Question 13
What happens to the population of grass if the number of rabbits increases in a food web?
- Question 14
In a food chain, where does the energy originally come from?
- Question 15
A food web is more accurate than a simple food chain for showing how organisms in a real ecosystem actually feed on each other.
- Question 16
If a disease killed all the snakes in a meadow food web (grass, grasshoppers, mice, snakes, and hawks), which organism's population would most likely increase?