Quadrat RP Quiz

What is the purpose of using a quadrat in ecological studies?

• To measure the density of plants in a specific area
• To calculate the height of trees in a forest
• To assess biodiversity in a habitat
• To determine soil pH levels

Which of the following factors can affect the distribution of species in an ecosystem?

• Temperature
• Soil type
• The colour of the flowers
• Water availability

What is one of the key principles of natural selection proposed by Darwin?

• Competition for limited resources
• Random mating
• Inheritance of acquired characteristics
• Survival of the fittest

When conducting a quadrat study, what should be done to ensure reliable results?

• Randomly place the quadrat in the study area
• Use the same size quadrat throughout the study
• Only measure in sunny conditions
• Count only the largest plants in the quadrat

Which organisms did Darwin famously study to develop his theory of evolution?

• Finches
• Tortoises
• Butterflies
• Bacteria

What type of data can be collected using a quadrat?

• Species frequency
• Soil temperature
• Plant height
• Species richness

In Darwin's theory, what role does variation play?

• It provides the raw material for natural selection
• It makes species more vulnerable to extinction
• It ensures all offspring are identical
• It helps species adapt to their environment

What is the significance of the Galapagos Islands in Darwin's research?

• They provided unique species for study
• They were the only islands he visited
• They had no human impact
• They had diverse habitats to observe

Which of the following statements about ecosystems is true?

• Ecosystems can change over time
• All species in an ecosystem are equally abundant
• Ecosystems are static and unchanging
• Human activities have no impact on ecosystems

What is a limitation of using a quadrat for ecological studies?

• It is time-consuming to set up
• It requires no prior knowledge of species
• It can be used for any size of organism
• It only provides a snapshot of a specific area