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Choose the correct sequence of plants through geological periods
A. Chlorophyte Ancestors
B. Tracheophyte ancestors
C. Angiosperms
D. Seed Ferns
A. Chlorophyte Ancestors
B. Tracheophyte ancestors
C. Angiosperms
D. Seed Ferns
- a)D, C, B, A
- b)A, B, D, C
- c)A, D, B, C
- d)B, A, D, C
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Choose the correct sequence of plants through geological periodsA. Chl...
The proper sequence is Chlorophyte Ancestors —→ Tracheophyte ancestors —→ Seed Ferns —→ Angiosperms, i.e., A, B, D, C
About 2000 million years ago (mya) the first cellular forms of life appeared on earth. Some of these cells had the ability to release O2. All plants are believed to have come from a chlorophyte ancestor which was a kind of green algae. Slowly single-celled organisms became multi-cellular life forms. They later evolved into tracheophytes, plants that had a primitive form of the vascular system. Tracheophytes evolved into Rhynia-type plants in the beginning of the paleozoic period. They were vascular plants that were more evolved than today's bryophytes. Rhynia-type plants evolved into psilophytes which were simple dichotomously branched plants. About 350 mya, giant ferns (pteridophytes) were present but they all fell to form coal deposits slowly. Seaweeds and few plants existed probably around 320 mya. Psilophytes evolved into seed ferns during the Carboniferous period. Seed ferns evolved into angiosperms Cenozoic period. Angiosperms are thought to be the most evolved form of plants.
About 2000 million years ago (mya) the first cellular forms of life appeared on earth. Some of these cells had the ability to release O2. All plants are believed to have come from a chlorophyte ancestor which was a kind of green algae. Slowly single-celled organisms became multi-cellular life forms. They later evolved into tracheophytes, plants that had a primitive form of the vascular system. Tracheophytes evolved into Rhynia-type plants in the beginning of the paleozoic period. They were vascular plants that were more evolved than today's bryophytes. Rhynia-type plants evolved into psilophytes which were simple dichotomously branched plants. About 350 mya, giant ferns (pteridophytes) were present but they all fell to form coal deposits slowly. Seaweeds and few plants existed probably around 320 mya. Psilophytes evolved into seed ferns during the Carboniferous period. Seed ferns evolved into angiosperms Cenozoic period. Angiosperms are thought to be the most evolved form of plants.
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Choose the correct sequence of plants through geological periodsA. Chl...
Explanation:
Chlorophyte Ancestors:
- Chlorophyte ancestors are considered to be some of the earliest plants on Earth.
- These green algae were among the first photosynthetic organisms.
Tracheophyte Ancestors:
- Tracheophytes are vascular plants that have specialized tissues for transporting water and nutrients.
- They evolved from the chlorophyte ancestors and represent a significant advancement in plant evolution.
Seed Ferns:
- Seed ferns were some of the earliest seed-producing plants in the fossil record.
- They had fern-like leaves but reproduced through seeds, marking an important transition in plant evolution.
Angiosperms:
- Angiosperms are flowering plants that produce seeds enclosed within a fruit.
- They are the most diverse group of plants on Earth today and have undergone significant evolutionary changes since their emergence.
Therefore, the correct sequence of plants through geological periods is A. Chlorophyte Ancestors, B. Tracheophyte Ancestors, D. Seed Ferns, C. Angiosperms.
Chlorophyte Ancestors:
- Chlorophyte ancestors are considered to be some of the earliest plants on Earth.
- These green algae were among the first photosynthetic organisms.
Tracheophyte Ancestors:
- Tracheophytes are vascular plants that have specialized tissues for transporting water and nutrients.
- They evolved from the chlorophyte ancestors and represent a significant advancement in plant evolution.
Seed Ferns:
- Seed ferns were some of the earliest seed-producing plants in the fossil record.
- They had fern-like leaves but reproduced through seeds, marking an important transition in plant evolution.
Angiosperms:
- Angiosperms are flowering plants that produce seeds enclosed within a fruit.
- They are the most diverse group of plants on Earth today and have undergone significant evolutionary changes since their emergence.
Therefore, the correct sequence of plants through geological periods is A. Chlorophyte Ancestors, B. Tracheophyte Ancestors, D. Seed Ferns, C. Angiosperms.
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