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Questions and Answers
What was a limitation of the artificial systems in classification mentioned in the text?
What was a limitation of the artificial systems in classification mentioned in the text?
- They did not take into account the evolutionary relationships between organisms.
- They only considered external features.
- They gave equal importance to vegetative and sexual characteristics. (correct)
- They focused too much on internal features like embryology.
What additional features were considered in natural classification systems?
What additional features were considered in natural classification systems?
- Carotenoids and chlorophyll
- Ultrastructure and anatomy
- Phytochemistry and embryology (correct)
- Vegetative and sexual characteristics
Who proposed a classification system for flowering plants based on natural affinities among organisms?
Who proposed a classification system for flowering plants based on natural affinities among organisms?
- Charles Darwin
- Gregor Mendel
- George Bentham and Joseph Dalton Hooker (correct)
- Carl Linnaeus
What is the basis of phylogenetic classification systems?
What is the basis of phylogenetic classification systems?
What aspect of classification becomes more important when there is no supporting fossil evidence?
What aspect of classification becomes more important when there is no supporting fossil evidence?
How is Numerical Taxonomy carried out according to the text?
How is Numerical Taxonomy carried out according to the text?
What is the primary method of reproduction in algae?
What is the primary method of reproduction in algae?
Which of the following is a common type of spore produced during asexual reproduction in algae?
Which of the following is a common type of spore produced during asexual reproduction in algae?
What is the key characteristic that distinguishes sexual reproduction in Ulothrix and Spirogyra?
What is the key characteristic that distinguishes sexual reproduction in Ulothrix and Spirogyra?
What distinguishes kelps from other forms of algae?
What distinguishes kelps from other forms of algae?
Which pigment is characteristic of algae and is responsible for photosynthesis?
Which pigment is characteristic of algae and is responsible for photosynthesis?
How do algae primarily reproduce vegetatively?
How do algae primarily reproduce vegetatively?
What is the term for the fusion between a large, nonmotile female gamete and a smaller, motile male gamete?
What is the term for the fusion between a large, nonmotile female gamete and a smaller, motile male gamete?
Which class do algae like Fucus and Laminaria belong to?
Which class do algae like Fucus and Laminaria belong to?
Which compounds are produced by certain brown and red algae that are used commercially as water-holding substances?
Which compounds are produced by certain brown and red algae that are used commercially as water-holding substances?
What is the primary purpose of agar obtained from Gelidium and Gracilaria?
What is the primary purpose of agar obtained from Gelidium and Gracilaria?
Which algae class are commonly referred to as green algae?
Which algae class are commonly referred to as green algae?
What process is exemplified by the vegetative reproduction observed in many algae?
What process is exemplified by the vegetative reproduction observed in many algae?
