Homework Answers
Gametophyte
Explanation: moss plants are bryophyte and in bryophytes gametophyte are dominant stage which is developed from spores and produces haploid gametes.
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Question 20 (2 points) In the life cycle of a moss plant, the dominant generation is...
CA SORUS in cross section PROTILALLIUM 7. ARCHEGONIUM 9. (generation) (RODRFAELon) Fill in the blanks on...
CA SORUS in cross section PROTILALLIUM 7. ARCHEGONIUM 9. (generation) (RODRFAELon) Fill in the blanks on the fern life cycle on the following page using the following terms. Sporangia, spore, sorus, frond, rhizome, roots, gametophyte, sporophyte, archegonia, antheridia, and egg. Indicate where mitosis occurs and when variation is introduced.
The stocks growing from the moss below represent what stage of the moss life cycle? gamete...
The stocks growing from the moss below represent what stage of the moss life cycle? gamete formation sporophyte gametophyte union of the algae and fungus nutrient procurment
Question 22 (2 points) Male gametophytes produce sperm in OB) Archegonia OC) Gametophyte D) Sporophyte A)...
Question 22 (2 points) Male gametophytes produce sperm in OB) Archegonia OC) Gametophyte D) Sporophyte A) Antheridia
ving questions about ferns: 1. Are the spores produced by the fern sporophyte formed by mitosis...
ving questions about ferns: 1. Are the spores produced by the fern sporophyte formed by mitosis or meiosis? 2. Do the spores belong to the gametophyte or the sporophyte generation? 3. Are the gametes produced by mitosis or meiosis? 4. Are the archegonia and antheridia haploid or diploid? (HINT: Think about which generation produces them) 5. Is the dominant generation for the fern the gametophyte or the sporophyte? 6. Can you suggest an ecological role for ferns?
Stages in the life cycle of a plant Recall that plants have unique life cycles that...
Stages in the life cycle of a plant Recall that plants have unique life cycles that alternative between the sporophyte and gametophyte generation. For the list of events below, place them in order to describe the life cycle of the plant, beginning with the germination of a new plant. Then, decide which stages describe the sporophyte stages and which stages describe the gametophyte stages and label each accordingly. Drag the text blocks below into their correct order. The zygote develops...
Question 20 3 pts Which three features are characteristic of the life cycle of all land...
Question 20 3 pts Which three features are characteristic of the life cycle of all land plants? O Alternation of generations, a dominant sporophyte, and spores. O Alternation of generations, embryos, and a dominant gametophyte. O A dominant sporophyte, spores, and embryos. Alternation of generations, embryos, and spores. O Alternation of generations, spores, and a dominant gametophyte.
Question 21 2 pts In which of the following taxa does the mature sporophyte depend completely...
Question 21 2 pts In which of the following taxa does the mature sporophyte depend completely on the gametophyte for nutrition? O Anthophyta O Bryophyta Pterophyta (Psilotopsida) O Gingophyta Lycophyta If a fern gametophyte is a hermaphrodite (that is, has both male and female gametangia on the same plant), then it has antheridia and archegonia combined into a single sex organ. O must be diploid. belongs to a species that is homosporous. has lost the need for a sporophyte generation....
arrange the following structures or prosses into a diagram showing the life cycle of a moss...
arrange the following structures or prosses into a
diagram showing the life cycle of a moss plant
1 What is meant by alternation of generations? alternation of generations between haploid and diploid the grocess their life that life Cycle cycle in alternate 2 What type of nuclear division is involved in the development of a sporophyte plant? Of the spores? meiosis ; Mitosis REVIEW QUESTIONS 3 Arrange the following structures or processes into a diagram showing the life cycle of...
What is true about the life cycle of a land plant? 1. The gametophyte produces spores...
What is true about the life cycle of a land plant? 1. The gametophyte produces spores by meiosis. 2. The life cycle is entirely haploid, so the sporophyte phase does not exist. 3. The sporophyte produces spores by mitosis. 4. The sporophyte produces spores by meiosis. 5. The gametophyte produces gametes by meiosis.
Phylum Hepatophyta: Liverworts Like the moss, liverworts begin as a haploid spore. As a liverwort spore...
Phylum Hepatophyta:
Liverworts
Like the moss, liverworts begin as a haploid spore. As a
liverwort spore germinates, it develops into a flat, lobed,
leaf-like structure called a thallus. The thallus
grows prostrate with the ground’s surface, forming
rhizoids that anchor it in place.
Liverworts reproduce asexually primarily by
fragmentation; however, some liverworts may also
reproduce asexually by bundles of tissue called
gemmae. In many liverworts, gemmae develop in
small cup-like structures called gemmae cups.
Splashed from the cups by rain,...
CA SORUS in cross section PROTILALLIUM 7. ARCHEGONIUM 9. (generation) (RODRFAELon) Fill in the blanks on the fern life cycle on the following page using the following terms. Sporangia, spore, sorus, frond, rhizome, roots, gametophyte, sporophyte, archegonia, antheridia, and egg. Indicate where mitosis occurs and when variation is introduced.
The stocks growing from the moss below represent what stage of the moss life cycle? gamete formation sporophyte gametophyte union of the algae and fungus nutrient procurment
Question 22 (2 points) Male gametophytes produce sperm in OB) Archegonia OC) Gametophyte D) Sporophyte A) Antheridia
ving questions about ferns: 1. Are the spores produced by the fern sporophyte formed by mitosis or meiosis? 2. Do the spores belong to the gametophyte or the sporophyte generation? 3. Are the gametes produced by mitosis or meiosis? 4. Are the archegonia and antheridia haploid or diploid? (HINT: Think about which generation produces them) 5. Is the dominant generation for the fern the gametophyte or the sporophyte? 6. Can you suggest an ecological role for ferns?
Stages in the life cycle of a plant Recall that plants have unique life cycles that alternative between the sporophyte and gametophyte generation. For the list of events below, place them in order to describe the life cycle of the plant, beginning with the germination of a new plant. Then, decide which stages describe the sporophyte stages and which stages describe the gametophyte stages and label each accordingly. Drag the text blocks below into their correct order. The zygote develops...
Question 20 3 pts Which three features are characteristic of the life cycle of all land plants? O Alternation of generations, a dominant sporophyte, and spores. O Alternation of generations, embryos, and a dominant gametophyte. O A dominant sporophyte, spores, and embryos. Alternation of generations, embryos, and spores. O Alternation of generations, spores, and a dominant gametophyte.
Question 21 2 pts In which of the following taxa does the mature sporophyte depend completely on the gametophyte for nutrition? O Anthophyta O Bryophyta Pterophyta (Psilotopsida) O Gingophyta Lycophyta If a fern gametophyte is a hermaphrodite (that is, has both male and female gametangia on the same plant), then it has antheridia and archegonia combined into a single sex organ. O must be diploid. belongs to a species that is homosporous. has lost the need for a sporophyte generation....
arrange the following structures or prosses into a
diagram showing the life cycle of a moss plant
1 What is meant by alternation of generations? alternation of generations between haploid and diploid the grocess their life that life Cycle cycle in alternate 2 What type of nuclear division is involved in the development of a sporophyte plant? Of the spores? meiosis ; Mitosis REVIEW QUESTIONS 3 Arrange the following structures or processes into a diagram showing the life cycle of...
Phylum Hepatophyta:
Liverworts
Like the moss, liverworts begin as a haploid spore. As a
liverwort spore germinates, it develops into a flat, lobed,
leaf-like structure called a thallus. The thallus
grows prostrate with the ground’s surface, forming
rhizoids that anchor it in place.
Liverworts reproduce asexually primarily by
fragmentation; however, some liverworts may also
reproduce asexually by bundles of tissue called
gemmae. In many liverworts, gemmae develop in
small cup-like structures called gemmae cups.
Splashed from the cups by rain,...
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