KK12 Cambridge Biology: Adaptation and Diversity Topic 4

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Questions and Answers

What type of interaction between species is characterized by a close and long-term biological relationship?

  • Competition
  • Symbiosis (correct)
  • Predation
  • Mutualism

What is the term for a group of organisms of the same species living in the same location at the same time?

  • Population (correct)
  • Species
  • Community
  • Ecosystem

What is the role of decomposers in an ecosystem?

  • To produce their own food
  • To consume other organisms
  • To compete with other organisms for resources
  • To break down dead organic matter (correct)

What is the term for a species that has a significantly large impact on an ecosystem?

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

What is the difference between a food chain and a food web?

<p>A food chain is a linear depiction, while a food web is more intricate (D)</p> Signup and view all the answers

What is the term for the combination of organisms and their habitat, including interactions between biotic and abiotic factors?

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

What is the primary purpose of adaptations in an organism?

<p>To enhance its survival and existence in a wide range of environments (D)</p> Signup and view all the answers

Which type of adaptation involves a cellular process that increases an organism's chance of survival?

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

What is an example of a behavioural adaptation in animals?

<p>The hibernation of bears during winter (A)</p> Signup and view all the answers

Why is genetic diversity important within a species or population?

<p>It allows the species to adapt to a wide range of environments (D)</p> Signup and view all the answers

What is the main difference between adaptation and evolution?

<p>Adaptation is a change in an individual, while evolution is a change in a population (A)</p> Signup and view all the answers

Who has contributed to our understanding of adaptations in organisms?

<p>Aboriginal and Torres Strait Islander peoples, as well as scientists (C)</p> Signup and view all the answers

What is the primary reason why plants exhibit phototropism?

<p>To photosynthesize and produce energy (C)</p> Signup and view all the answers

What is the characteristic of the lawyer-cane plant that allows it to reach light in crowded rainforests?

<p>Its rings of small hooks that attach to other plants (D)</p> Signup and view all the answers

What is the term for the turning of all or part of an organism in response to external stimuli?

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

What is the benefit of the Aboriginal and Torres Strait Islander people's knowledge of plant adaptations?

<p>It helps them to survive in the hostile land (A)</p> Signup and view all the answers

What is the adaptive feature of the water-holding frog that allows it to survive dry periods?

<p>Its ability to store water under its skin (C)</p> Signup and view all the answers

What is the underlying mechanism that enables plants to grow in particular directions?

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

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