Organism and environment, population attributes, growth, interactions.
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Q1 · Organisms and Populations · EASY
A population of deer in a forest initially has 100 individuals. After one year, 40 births and 20 deaths occur. What is the birth rate per capita per year for this population?
Q2 · Organisms and Populations · EASY
Which of the following represents a mutualistic interaction between two species?
Q3 · Organisms and Populations · MEDIUM
A population growing under ideal conditions with unlimited resources exhibits exponential growth. If a bacterial population has an intrinsic rate of natural increase (r) of 0.5 per hour and starts with 1000 individuals, approximately how many bacteria will be present after 2 hours?
Q4 · Organisms and Populations · MEDIUM
In a logistic growth model, when a population reaches its carrying capacity (K), which of the following statements is correct?
Q5 · Organisms and Populations · HARD
In an ecological study, a species of orchid was found exclusively on a particular species of tree in a forest, while the tree could survive well without the orchid. Several insect species were found feeding on the orchid's nectar while simultaneously pollinating it. What type of population interactions are exhibited here?