WorksheetsDay 4 Quiz - Population Interactions
Total questions: 10
Worksheet time: 20mins
What type of relationship?
Cattle egrets feed in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
What type of relationship?
Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower.
What type of relationship?
A tapeworm hooks into the intestines of a cat and takes in the nutrients the cat eats, sometimes starving the cat.
Which among the following is a predator in broad ecological context?
Grass preparing starch with sunlight
Water hyacinth vegetatively propagating invasively
A sparrow eating a seed
When all the starfish were removed from an intertidal area, more than 10 species of invertebrates became extinct, because of
loss of starfish friends
lack of nutrients from starfish body
interspecific competition amongst themselves
In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?
The squirrel population
The amount of sunlight
Amount of grass available
Rabbits have no limiting factors
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
According to the food web, what are the predator-prey relationships in the ecosystem? Select all correct answers.
Hawk & Rabbit
Hawk & Snake
Snake & Rabbit
Rabbit & Grass
In some environments, wolves prey on deer for their source of food. If all of the wolves were taken from the environment, what would most likely happen to the deer population?
A The deer population would increase and begin to compete for food.
B The deer population would become larger and healthier animals.
C The deer population would decrease, because there would be an increase in disease.
D The deer population would change color, because they would not have to hide from wolves.
