21 Questions
In a biological life cycle, which stage often begins as a zygote?
Egg stage
What process concludes the biological life cycle?
Sexual reproduction
For plants and many algae, what is the term used for the two multicellular stages in the life cycle?
Alternation of generations
What type of life cycle involves a change from a diploid stage to a haploid stage?
Haplontic life cycle
How many multicellular stages are typically found in the life history of red algae?
Three
What must occur to return from a diploid stage to a haploid stage in a life cycle involving sexual reproduction?
Meiosis
In which life cycle do multicellular diploid and haploid stages occur?
Diplontic life cycle
What type of meiosis has mitosis in two stages, both the diploid and haploid stages?
Sporic meiosis
What type of meiosis has mitosis during the 2n phase?
Gammatic meiosis
Which botanist demonstrated that alternation of generations is a feature that unites plants and published this result in 1851?
Wilhelm Hofmeister
Which organisms are haplonts in the haplontic life cycle?
Most fungi
What type of life cycle produces several haploid cells immediately after karyogamy?
Zygotic meiosis
Which term was proposed initially for algae by Nils Svedelius and then became used for other organisms?
Haplobiont
What led to the disproof of the ideas of spontaneous generation in the 1840s and 1850s?
Complex life cycles of various organisms
'Zygotic meiosis' and 'gametic meiosis' are collectively termed as what type of meiosis?
'Haplobiontic' meiosis
What is the purpose of providing students with two different kinds of 'pollen' in the activity?
To observe the pollination process
Why are homeschool students suggested to work in pairs for the activity?
To ensure accurate observation of the pollination process
What is the main focus of the readings suggested for students reading below grade level?
Kangaroos
What is the primary objective of the 'Open-and-go lessons' mentioned in the text?
To inspire kids to love science
Why do students need to make two flower models for the activity?
To simulate the transfer of pollen from one flower to another
What is the suggested method for groups of four students to observe 'pollen' in the activity?
Share two cups of 'pollen'
Test your knowledge of the stages and processes of a biological life cycle with this quiz. Explore the development from zygote to adult organism and the production of offspring.
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