Ecology Questions
Explore questions in the Ecology category that you can ask Spark.E!
The field of _ science aims to understand the interactions between ecological and social systems
_ means meeting the needs of the present generation without compromising the ability of future generations to meet their needs
Human actions are likely to be _ if we continue to ignore the limited resources
A resource is _ if its amount in an ecosystem declines with virtually any level of use
Choose the wrong one: A) The world is changing B) Variation in well-being is high C) We are changing the world D) At no previous time has overall human well-being been worse
Sustainability can be evaluated with the _ approach
A population of deer grows from 100 to 200 to 600, and when it gets to 600, it levels off. This population must have reachedA. exponential growth.B. carrying capacity.C. logistic growth.D. peak capacity.
Which would lose points for you on an exam if listed as an abiotic factor in ecology?A. salinityB. temperatureC. sunlightD. bacteriaE. oxygen
Most important abiotic factors for terrestrial environments
The exponential growth model describes the increase in population size of a population that is not constrained by resources or space. From the graph shown, you can tell that(graph increase exponentially)A. none of the elephants died.B. a female elephant living around 1960 was more likely to have a baby than a female elephant living around 1920.C. the elephants adapted to the new park conditions around 1955.D. the vegetation the elephants eat could support more than 5,000 elephants.
A population of waterbuck has an annual per capita birth rate of 0.67 and an annual per capita death rate of 0.05. Estimate the net gain or loss of individuals from a population of 10,000 waterbucks in one year.
Imagine that a species of fish used to be a broadcast spawner (producing many eggs that then get no subsequent parental care) but has evolved to be a mouth brooder (holding the eggs in the parent's mouth until they hatch and then caring for the young for a while). We would expect the survivorship curve of this species to shift
Which of the following provide most of the energy in ecosystems?
If secondary consumers hold 30,000 kCal, how many kCals are held by the producers?
Almost all autotrophs get their energy from
Which of the following terms best describes all of the rainbow trout that live in one particular river?
The number of individuals that a particular place can support indefinitely is called the
Which model shows the amount of energy at each trophic level in an ecosystem?
Lions eat zebras. Zebras are part of the lion's
how to reduce effects of chance on reliability of sample