WorksheetsBio Population Ecology
Total questions: 15
Worksheet time: 15mins
Which trophic level will have the lowest amount of toxins in it from biomagnification?
Producers
Higher-Level Consumers
Primary Consumers
Secondary Consumers
Is Flower Plant to Grasshopper to Frog to Eagle a food chain in this ecosystem?
Yes
No
Here is a sample food chain, Flower -> Goat -> Wolf. If there are 2,000 calories of flower eaten by the goat and then the goat is eaten by the wolf, how many of those calories will be in the wolf?
2,000
1,000
500
200
20
Which level of ecology is the first to include abiotic factors?
Individual Organism
Population
Community
Ecosystem
Biosphere
In biology, what is carrying capacity?
The maximum population size an ecosystem can support.
A total list of the limiting factors.
How much weight an organism can lift.
How much pain an organism can tolerate.
Predator population lags behind prey population because......
Increase in predators leads to decrease in prey
Increase in predators leads to increase in prey
Increase in predators leads to decrease in producers
Increase in producers leads to increase in prey
What growth pattern describes a population whose growth rate slows or stops following a period of exponential growth?
logistic growth
population growth
exponential growth
predator-prey cycle
What does the graph represent?
Emigration
Exponential growth
Immigration
Logistic Growth
According to the image, what is the producer?
plant
insect
mouse
snake
In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?
80%
90%
10%
20%
What would the carrying capacity of this graph be
530
400
500
480
How many producers are in this food web?
1
2
3
4
In a population ecology study, which of the following factors is considered density-dependent?
A) Natural disasters
B) Disease
C) Climate
D) Sunlight
Which of the following best describes the concept of 'niche' in population ecology?
A) The physical space an organism occupies
B) The role an organism plays in its ecosystem
C) The number of offspring an organism can produce
D) The lifespan of an organism
In a logistic growth model, what happens to a population as it reaches its carrying capacity?
A) The population continues to grow exponentially
B) The growth rate increases
C) The growth rate decreases and stabilizes
D) The population crashes
