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Ecosystem2024

Ecosystem - Reece 2024

QuestionAnswer
The nitrogen-fixing bacteria puts nitrogen into the soil in a form that is needed and can be used by plants. What type of symbiotic relationship is this? mutualism
A small fish attaches itself to a leopard shark and eats the leftovers of its host's meal. The shark doesn't benefit or get harmed. What is this an example of? commensalism
The crocodile is getting his teeth cleaned by the bird who is getting fed by the pieces of food in the teeth of the crocodile. What type of symbiotic relationship is this? Mutualism
What type of symbiotic occurs when a mosquito is on a human arm sucking blood? Parasitism
What does symbiosis mean? living together, close relationship between 2 species
Nematodes (a round worm) live in plants and get nutrients from the plant but does not help or harm it. What type of symbiotic relationship is this? commensalism
Plant 1 attaches to the roots of Plant 2 and takes water and nutrients from Plant 2. What type of symbiotic relationship is this? parasitism
parasitism one organism is harmed and one is helped
mutualism both organisms are helped
commensalism one organism is helped and one is unaffected
What is most likely to prevent the population growth of rabbits in an ecosystem? decreased food supply to the area
What is most likely to cause a decrease in the number of woodpeckers in an ecosystem? removing all the tree and stumps
Any abiotic or biotic factor that controls the number of individuals in a population a limiting factor
What are limiting factors for a deer population? bears, grass, & water
The levels of an ecosystem from smallest to largest: organism, population, community, ecosystem
Which interaction illustrates a terrestrial (land)/aquatic (water) food chain relationship? a bear eating a fish from a river
What is the difference between an ecosystem and a community? an ecosystem includes biotic & abiotic factors, but a community is only biotic
As density of a population increases, what is most likely going to occur? competition for food resources will increase (go up)
What is a biotic factor in a pond ecosystem? bacteria
If the population of insects were reduced due to pesticides, how would this affect the lizard population? population of lizards would most likely decrease (go down)
What is true about the relationship between the grasses and lions in an ecosystem? As the grass population increases, the lion population increases
What are symbiotic relationships? mutualism, parasitism & commensalism
What is an example of predation? a fox attacks a rabbit and eats it
Some animals work together to protect each other. Some stand guard while others look for food. What best describes relationships like this where all members of the population help each other? cooperation
Some vines, like kudzu, cover nearby plants preventing them from getting sunlight while the kudzu gets all the sunlight it needs. What is this an example of? competition
Bees carry pollen from plant to plant which fertilizes plants and helps the plant reproduce. The bee is getting honey from the plant for bee food at the same time. This is an example of what type of symbiosis? mutualism
Ticks are insects that attach themselves on other organisms to feed on the host's blood. Which symbiosis best describes this relationship? parasitism
An orchid is a plant that grows on branches of other trees. The orchid gets its nutrients and sunlight from its location on the tree branch. The tree doesn't benefit nor is it harmed. This relationship is an example of what? commensalism
The zebra and gazelle live in the same environment with out competing for resources. The share a common enemy & have their needs met without helping each other. What symbiosis does this describe? coexistence
Created by: masonteach
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