30 Questions
What was one of the important themes in Jean-Baptiste Lamarck's work on evolution?
The adaptation of animals to changes in their environment
Who published his ideas on evolution in the same year Charles Darwin was born?
Jean-Baptiste Lamarck
What is one way that giraffes adapted to changes in their environment, according to Lamarck?
Their necks elongated to reach higher leaves
What is the term for the process by which animals change over time to better suit their environment?
Evolution
What is one of the skills students will be able to demonstrate by the end of this lesson?
Demonstrating how biodiversity and evolution help an ecosystem to function
What is one of the questions students are asked to consider at the beginning of the lesson?
All of the above
What is an ecosystem composed of?
The interaction of living and nonliving things
What is the main source of energy for organisms living on Earth?
The light coming from the sun
What do plants and other photosynthetic organisms convert into energy-rich compounds?
Carbon dioxide and water
What is the term for organisms that can manufacture their own food?
Autotrophs
What do chemosynthetic autotrophs use to synthesize organic compounds?
Dissolved chemicals from hydrothermal vents
What is an example of a producer in an ecosystem?
Algae in the pond
What is the result of being exposed to a new environment?
New resources become available, creating opportunities and challenges.
What is the tempo of speciation?
The final mechanism of speciation.
What is gradualism?
A slow, gradual accumulation of changes over time.
What is punctuated equilibrium?
A period of rapid change followed by stability.
What is the result of mutations?
Changes in the DNA that can be passed on to succeeding generations.
What is the focus of this chapter?
How living and nonliving things work together to achieve stability.
What was the outcome of Darwin's five-year voyage?
He questioned the belief that Earth and organisms are unchanging.
What is the main idea of Darwin's theory of natural selection?
Organisms evolve over time through a process of variation and selection.
What type of evidence does comparative anatomy provide?
Similar structures with different functions in different organisms.
What is the significance of sedimentary layers in fossil records?
They provide a timeline of Earth's age.
What is the commonality among nitrogen base sequences in the genetic code?
They are the same in almost all organisms.
What is an example of an observable event in evolution?
Changes in species over time.
What is the main characteristic of consumers in a food chain?
They feed mainly on producers
What is the role of decomposers in a food chain?
To break down the remains of dead organisms
Which trophic level is composed of plants and other autotrophic organisms?
First trophic level
What is the term for organisms that feed only on plants?
Herbivores
What is the term for consumers that feed on the tissues of dead animals?
Scavengers
What is the term for the position an organism occupies in a food chain?
Trophic level
Test your knowledge of biodiversity and evolution, including the contributions of Charles Darwin, evidence of evolution, and the role of natural selection. Assess your understanding of how biodiversity and evolution affect life and ecosystems.
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