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- Multiple ChoicePlease save your changes before editing any questions.All of the living and nonliving things in an area that interact with each other are called a/an ______.communityhabitatpopulationecosystem
- Multiple ChoicePlease save your changes before editing any questions.An area where an organism finds food, shelter and water in a specific arrangementnichebiospherebiomehabitat
- Multiple ChoicePlease save your changes before editing any questions.The study of how living things interact with one another and with their environment.BiologyLithologyEcologyFarmacology
- Multiple ChoicePlease save your changes before editing any questions.Different populations living and interacting with each other in the same areaBiomeEcosystemCommunityNiche
- Multiple ChoicePlease save your changes before editing any questions.
Which of these organisms is the secondary consumer?
Owl
Mouse
Grass
Grasshopper
- Multiple ChoicePlease save your changes before editing any questions.
How much energy is transferred between trophic levels?
25%
20%
10%
90%
- Multiple ChoicePlease save your changes before editing any questions.What does the graph represent?EmigrationExponential growthImmigrationLogistic Growth
- Multiple ChoicePlease save your changes before editing any questions.
What point on the graph represents the carrying capacity?
A
B
C
D
- Multiple ChoicePlease save your changes before editing any questions.No two species can occupy the same nicheCompetitive Exclusion PrincipleLimiting Exclusion TheoryCompetitive Limiting PrincipleLimiting Competitive Theory
- Multiple ChoicePlease save your changes before editing any questions.Two different species fighting for the same resources often enough will lead to what outcome?Interspecific matingIntraspecific competitioncompetitive exclusionpredation
- Multiple ChoicePlease save your changes before editing any questions.A species that has a greater impact on the ecosystem than its number would indicatekeystone speciescore speciesimpact speciesessential species
- Multiple ChoicePlease save your changes before editing any questions.
What is this picture describing?
It is describing direct competition between flamingos and ducks.
It is describing natural selection as it follows the disruptive selection pattern.
It is describing the niche of each bird within the tree.
It is describing abiotic factors of the tundra.
- Multiple ChoicePlease save your changes before editing any questions.
This photo is showing the same ecosystem in 2 scenarios: one with the sea otter and one without the sea otter. In the ecosystem without the sea otter, the ecosystem dynamics are completely changed. What term best describes the sea otter?
Niche
Climax community
Pioneer species
Keystone species
- Multiple ChoicePlease save your changes before editing any questions.condition that restricts a population's growth, such as space, disease, and food availabilitymutualismnichelimiting factorpredation
- Multiple ChoicePlease save your changes before editing any questions.When taken to a new habitat, non-native plants often threaten native plants of the new habitat. Why do they do this?Non-native plants are able to mutate rapidlyNon-native plants cause native animals to relocateNon-native plants are able to be used for medicineNon-native plants compete with native plants for resources
- Multiple ChoicePlease save your changes before editing any questions.What effect will an invasive species have on the carrying capacity of an ecosystem?The carrying capacity will increaseThe carrying capacity for everyone will decreaseThe carrying capacity will only decrease for those in competition for same resourceThe carrying capacity for all animals will stay the same
- Multiple ChoicePlease save your changes before editing any questions.Kudzu has overgrown many parts of southern Missouri and native ground plants have disappeared from the area. This is an example of:Parasitism between kudzu and the native plantsA predator prey relationship between ground plants and kudzuCompetition occurring between the native and invasive speciesCommesalism occurring between the kudzo and native plants
- Multiple ChoicePlease save your changes before editing any questions.The field mouse population in Australia has grown so fast that they eat an average of $4 billion of wheat every year. Their fast growth is caused by:A. The mice like to reproduceB. A lack of a native species to eat the field mouseC. Abundant food supplyBoth B and C
- Multiple ChoicePlease save your changes before editing any questions.
Why are some sharks considered a keystone species?
Because they are a top predator
They scare off smaller fish that may overgraze an area of sea grass
They are tertiary consumers
They are cartilaginous
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
There would be a decrease in the small bird population.
There would be a decrease in the grass/flowers population.
There would be a decrease in the mice population.
There would be an increase in the grass/flowers population.