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Q 1/23
Score 0
In a food web, what is the primary role of a producer, such as grass or a tree?
30
To break down dead organisms and return nutrients to the soil
To hunt and eat other animals for energy
To create its own energy using sunlight through photosynthesis
To scavenge for leftover food from larger predators
Q 2/23
Score 0
Which of the following organisms acts as a decomposer in an ecosystem?
30
Grasshopper
Oak Tree
Hawk
Mushroom
23 questions
Q.
In a food web, what is the primary role of a producer, such as grass or a tree?
1
30 sec
Q.
Which of the following organisms acts as a decomposer in an ecosystem?
2
30 sec
Q.
In a food chain consisting of grass, a rabbit, and a fox, what would likely happen to the population of grass if the number of foxes increased significantly?
3
30 sec
Q.
Which of the following correctly describes the direction of the arrows in a food chain or food web?
4
30 sec
Q.
Which of the following organisms would be classified as a secondary consumer?
5
30 sec
Q.
If a certain ecosystem has a total of 10,000 units of energy at the producer level, approximately how many units of energy are available to the primary consumers according to the 10% rule?
6
30 sec
Q.
An organism that eats both plants and animals is known as which of the following?
7
30 sec
Q.
Which of the following describes the difference between a food chain and a food web?
8
30 sec
Q.
What is the term for an animal that only eats other animals for its energy source?
9
30 sec
Q.
What is the original source of almost all energy in most ecosystems and food webs?
10
30 sec
Q.
In a simple food chain where grass is eaten by a rabbit, and the rabbit is eaten by a fox, which organism acts as the primary consumer?
11
30 sec
Q.
What do the arrows in a food chain or food web represent?
12
30 sec
Q.
Which of the following organisms in a food web is responsible for breaking down dead organic matter and returning nutrients to the soil?
13
30 sec
Q.
If a caterpillar eats a leaf, and a bird eats the caterpillar, how would you classify the bird in this food chain?
14
30 sec
Q.
Which of these organisms is always found at the very beginning of a food chain?
15
30 sec
Q.
What is the primary difference between a food chain and a food web?
16
30 sec
Q.
In an aquatic food web, if the population of microscopic algae (producers) decreases significantly, what is the most likely immediate effect on the primary consumers?
17
30 sec
Q.
In an energy pyramid, which level contains the most available energy?
18
30 sec
Q.
An owl hunts and eats a mouse. In this relationship, which term describes the owl?
19
30 sec
Q.
Which of the following is an example of an herbivore in a terrestrial food web?
20
30 sec
Q.
If a caterpillar eats a leaf, and a bird eats the caterpillar, how would we classify the caterpillar in this food chain?
21
30 sec
Q.
An apex predator is an animal at the top of a food chain with no natural predators. In a forest food web consisting of grass, mice, snakes, and hawks, which organism is the apex predator?
22
30 sec
Q.
If a certain disease significantly reduces the rabbit population in a food web, what is the most likely immediate effect on the foxes that eat them?
