WorksheetsEnv Sci, Wednesday Bell Ringer, 1.9.18
Total questions: 12
Worksheet time: 6mins
Lions usually live in prides made up of a few adult females, an adult male, and some younger lions. The females hunt together, and the kill is shared with the pride. The lions’ method of hunting best illustrates— A B C D
competition
territoriality
cooperation
parasitism
Which of these is most likely the result of weasels and foxes depending on the same food source?
The populations will compete with each other.
One of the populations will become herbivores.
Birthrates for both populations will increase.
New species of prey will evolve in the area.
Individual members of an ant colony working together to meet the needs of all members of the colony is referred to as —
parasitism
cooperation
competition
territorialism
If there is a large lion population in an ecosystem and a limited amount of food, what will occur between the members of the lion population?
Parasitism
Competition for food
Commensalism
Competition for water
Although the North American Bear is typically a solitary animal, they sometimes gather at streams or rivers. What causes the bears to gather?
The stream is a meeting place for mating bears
The need for social interaction between each adult bear
The excessive amount of oxygen in the air created by the stream
The abundance of prey available in the stream
Red foxes urinate around the opening of their den —
to communicate their established territory to other red foxes
to lure small rodents to the area for prey
to clear the opening of their dens by killing plant life
to attract other red foxes for mating
Which of the following represents a population?
All of the animals in the forest
All of the grey squirrels in a forest
All of the plants in the forest
All of the abiotic factors in the forest
One reason birds sing and deer rub their antlers on trees is to —
find more food
establish a territory
improve their habitat
frighten their prey
Which of the organisms in a forest ecosystem is an example of a producer?
Black bears
Bacteria
Oak trees
Squirrels
A tapeworm lives in human intestines, absorbing the nutrients that would normally be absorbed by the person. This eventually causes the person health problems. The relationship between the tapeworm and the human is —
consumer/producer
parasite/host
predator/prey
herbivore/omnivore
Two different species of ants are both trying to eat the leaves of the same type of plant. This is —
cooperation
competition
commensalism
omnivores
A zebra has two tick birds on its back. The tick birds alert the zebras that predators are near as well as remove and eat ticks found on zebras. What is the primary type of interaction between the tick birds and the zebras?
Mutualism
Parasitism
Competition
Commensalism
