Introduction to Ecology and Evolutionary Biology
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Questions and Answers

What is the definition of phenotype?

  • The regulating process by which an organism maintains internal stability
  • The genetic composition of an organism
  • The set of observable traits of an individual (correct)
  • The expected response to environmental change within an individual's lifespan

Which term describes the genetic composition of an organism?

  • Genotype (correct)
  • Homeorhesis
  • Plasticity
  • Homeostasis

What does homeostasis refer to?

  • Adjusting to changing external conditions
  • Refers to adapt and adjust to changing conditions
  • Maintaining the flow of an ecosystem
  • Maintaining a stable environment (correct)

Which concept involves adapting and adjusting to changing conditions?

<p>Phenotypic plasticity (D)</p> Signup and view all the answers

What does allopatric speciation involve?

<p>Geographic isolation (C)</p> Signup and view all the answers

Which term describes the relationships between organisms and their surroundings?

<p>Ecology (A)</p> Signup and view all the answers

Which term is used to describe the production of primary consumers per unit area per unit time?

<p>Secondary productivity (A)</p> Signup and view all the answers

What is the term for a predator at the top of a food web exerting strong effects on the ecosystem?

<p>Keystone species (B)</p> Signup and view all the answers

Which type of variation refers to any variation that can be identified in terms of a series of discretely different forms?

<p>Polymorphism (B)</p> Signup and view all the answers

What does the term 'genetic variability' refer to?

<p>The variety and relative abundance of genes within a particular species (A)</p> Signup and view all the answers

Which term describes the ability of a single genotype to develop into different forms as a response to environmental circumstances?

<p>Phenotypic plasticity (D)</p> Signup and view all the answers

What is the term for the set of conditions actually used by an animal after interactions with other species have been taken into account?

<p>Realized niche (B)</p> Signup and view all the answers

Which defense strategy involves blending with the background to avoid predation?

<p>Crypsis (D)</p> Signup and view all the answers

Which type of commensal relationship does not completely depend on a single species for survival?

<p>Facultative commensalism (C)</p> Signup and view all the answers

What is the behavior or morphology that allows an organism to resemble another species to reduce attacks by predators called?

<p>Mimicry (B)</p> Signup and view all the answers

Which type of species can only live in association with certain other specific species?

<p>Obligatory commensals (D)</p> Signup and view all the answers

'Exchange of crucial resources' is a characteristic of which ecological relationship type?

<p>Mutualism (C)</p> Signup and view all the answers

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