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Questions and Answers
In a biological life cycle, which stage often begins as a zygote?
In a biological life cycle, which stage often begins as a zygote?
- New zygote stage
- Egg stage (correct)
- Adult stage
- Offspring stage
What process concludes the biological life cycle?
What process concludes the biological life cycle?
- Sexual reproduction (correct)
- Asexual reproduction
- Growth
- Producing offspring
For plants and many algae, what is the term used for the two multicellular stages in the life cycle?
For plants and many algae, what is the term used for the two multicellular stages in the life cycle?
- Ontogeny
- Development
- Alternation of generations (correct)
- Life history
What type of life cycle involves a change from a diploid stage to a haploid stage?
What type of life cycle involves a change from a diploid stage to a haploid stage?
How many multicellular stages are typically found in the life history of red algae?
How many multicellular stages are typically found in the life history of red algae?
What must occur to return from a diploid stage to a haploid stage in a life cycle involving sexual reproduction?
What must occur to return from a diploid stage to a haploid stage in a life cycle involving sexual reproduction?
In which life cycle do multicellular diploid and haploid stages occur?
In which life cycle do multicellular diploid and haploid stages occur?
What type of meiosis has mitosis in two stages, both the diploid and haploid stages?
What type of meiosis has mitosis in two stages, both the diploid and haploid stages?
What type of meiosis has mitosis during the 2n phase?
What type of meiosis has mitosis during the 2n phase?
Which botanist demonstrated that alternation of generations is a feature that unites plants and published this result in 1851?
Which botanist demonstrated that alternation of generations is a feature that unites plants and published this result in 1851?
Which organisms are haplonts in the haplontic life cycle?
Which organisms are haplonts in the haplontic life cycle?
What type of life cycle produces several haploid cells immediately after karyogamy?
What type of life cycle produces several haploid cells immediately after karyogamy?
Which term was proposed initially for algae by Nils Svedelius and then became used for other organisms?
Which term was proposed initially for algae by Nils Svedelius and then became used for other organisms?
What led to the disproof of the ideas of spontaneous generation in the 1840s and 1850s?
What led to the disproof of the ideas of spontaneous generation in the 1840s and 1850s?
'Zygotic meiosis' and 'gametic meiosis' are collectively termed as what type of meiosis?
'Zygotic meiosis' and 'gametic meiosis' are collectively termed as what type of meiosis?
What is the purpose of providing students with two different kinds of 'pollen' in the activity?
What is the purpose of providing students with two different kinds of 'pollen' in the activity?
Why are homeschool students suggested to work in pairs for the activity?
Why are homeschool students suggested to work in pairs for the activity?
What is the main focus of the readings suggested for students reading below grade level?
What is the main focus of the readings suggested for students reading below grade level?
What is the primary objective of the 'Open-and-go lessons' mentioned in the text?
What is the primary objective of the 'Open-and-go lessons' mentioned in the text?
Why do students need to make two flower models for the activity?
Why do students need to make two flower models for the activity?
What is the suggested method for groups of four students to observe 'pollen' in the activity?
What is the suggested method for groups of four students to observe 'pollen' in the activity?
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