Homework Answers
Difference: Unlike nonvascular plants, all vascular plants including seedless vascular plants have a dominant sporophyte generation.
Common thing: Both have a life cycle with an alternation of generations. Alternation of generations describes a life cycle in which an organism has both haploid and diploid multicellular stages.
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b. Write next to each component whethet it is diploid (2n) or haploid (n). Bonus question...
All land plants have single cell haploid and single cell diploid states single cell haploid and...
All land plants have single cell haploid and single cell diploid states single cell haploid and multicellular diploid states multicellular haploid and single cell diploid states multicellular haploid and multicellular diploid states A. B. C. D. E. diplontic life cycles 7. A gametophyte is B. c. 2n 3n 4n 5n A sporophyte is In 2n 3n C. D. E. 9. The dominant (bigger) state in mosses, liverworts, and hornworts is the A gametophyte sporophyte C. sporangium D. archegonium E. antheridium...
growth -Interphase 7 In plants, . (Circle the correct answer.) a. the life cycle is different...
growth -Interphase 7 In plants, . (Circle the correct answer.) a. the life cycle is different from that of animals in that plants alternate between diploid and haploid forms b. meiosis occurs in the ovary of female plants and male gametes are produced in the anthers of flowers c. there are two distinct phases: n sporophyte generation and 2n gametophyte generation e. both a and c 8 What are polar bodies? What are they used for? A a small haploid...
BIOL 1020 Homework Evolution & Natural Selection 4 NATURAL SELECTION: 1. In your OWN words, explain...
BIOL 1020 Homework Evolution & Natural Selection 4 NATURAL SELECTION: 1. In your OWN words, explain what natural selection is. What is required? What is the result? 2. True or false? For natural selection to work, a population must have genetic variation. Explain your answer. 3. List three sources of genetic variation in a population. Identify which sources are most important for asexually reproducing organisms. Which method is most important for sexually reproducing organisms? 4. List three mechanisms which cause...
Unit 3 Study Resource Meiosis • Process by which diploid cells create haploid cells NOT part...
Unit 3 Study Resource Meiosis • Process by which diploid cells create haploid cells NOT part of the cell cycle > only some cells ever undergo meiosis During meiosis I, homologous chromosomes line up to allow them to be separated into two new cells o They can become "tangled" during this phase, which leads to crossing-over (rearranging the alleles) O Result of meiosis I is two non-identical haploid cells Meiosis Il looks very similar to mitosis, in that sister chromatids...
1.All members of the plant kingdom have ______. Pick all applicable answers. At least two answers...
1.All members of the plant kingdom have ______.
Pick all applicable answers. At least two answers must be
correct for a partial credit.
Group of answer choices
the male and female gametes
presence of sori
multicellular embryo
both gametophytic and sporophytic generation
haploid spores at some point in life cycle
2.
Pick any two most relevant answers for this image. Both answers
must be correct.
Group of answer choices
It is placed in Liliopsida
Stamens are absent
It belongs to...
my assigned organism is Naked mole rat (Heterocephalus glaber). please type it. The first step in...
my assigned organism is Naked mole rat (Heterocephalus glaber). please type it. The first step in understanding how information is passed from one generation to the next is understanding how cells divide, particularly how the DNA is passed on to the resulting cells. In this discussion, you will describe the life cycle of an animal or plant of your choosing. The animal or plant you choose must have a sexual life cycle (although it may also have an asexual life...
6. Which is not a characteristic of fungi? A. Most are single celled B. It is...
6. Which is not a characteristic of fungi? A. Most are single celled B. It is a saprophyte D. It lives moist areas E. All the above are characteristics of the fungi C. It is a decomposer 7. Why is the relationship between most mycorhizal fungi and their host plants considered mutualistic? A. They live in close physical association. B. Both species benefit from the association. C. The host plant cannot live without the mycorhizae. D. The mycorhizae cannot live...
28. Seed plants: A) are all heterosporous; B) have motile sperm; C) have photosynthetic, free- living...
28. Seed plants: A) are all heterosporous; B) have motile sperm; C) have photosynthetic, free- living gametophytes; D) are all monoecious; E) none of the above 29. The first land plants share a most recent common ancestor with a group of aquatic organisms that lived in the littoral zone known as: A) charophyceans; B) chlorophytes; C) catphytes; D) coanocytes; E) cycadophytes 30. Which of the following is true for organisms with zygotic meiosis? A) The gametes are produced from haploid...
_28. Seed plants: A) are all heterosporous; B) have motile sperm; C) have photosynthetic, free- living...
_28. Seed plants: A) are all heterosporous; B) have motile sperm; C) have photosynthetic, free- living gametophytes; D) are all monoecious; E) none of the above 29. The first land plants share a most recent common ancestor with a group of aquatic organisms that lived in the littoral zone known as: A) charophyceans; B) chlorophytes; C) catphytes; D) coanocytes; E) cycadophytes 30. Which of the following is true for organisms with zygotic meiosis? A) The gametes are produced from haploid...
Styles Which process differs the most from metamorphosis? a. Alternation of generations b. Direct development c....
Styles Which process differs the most from metamorphosis? a. Alternation of generations b. Direct development c. Isogamy d. Anisogamy stage All plants and some algae have a complicated life cycle with both a multicellular diploid and a multicellular haploid stage. This type of life cycle is called a. sporophyte; gametophyte; metamorphosis b. sporophyte; gametophyte; alternation of generations c.gametophyte; sporophyte; alternation of generations d.gametophyte; sporophyte; metamorphosis The term "r-selection" refers to selection a. to increase age at sexual maturity. b. under...
All land plants have single cell haploid and single cell diploid states single cell haploid and multicellular diploid states multicellular haploid and single cell diploid states multicellular haploid and multicellular diploid states A. B. C. D. E. diplontic life cycles 7. A gametophyte is B. c. 2n 3n 4n 5n A sporophyte is In 2n 3n C. D. E. 9. The dominant (bigger) state in mosses, liverworts, and hornworts is the A gametophyte sporophyte C. sporangium D. archegonium E. antheridium...
growth -Interphase 7 In plants, . (Circle the correct answer.) a. the life cycle is different from that of animals in that plants alternate between diploid and haploid forms b. meiosis occurs in the ovary of female plants and male gametes are produced in the anthers of flowers c. there are two distinct phases: n sporophyte generation and 2n gametophyte generation e. both a and c 8 What are polar bodies? What are they used for? A a small haploid...
BIOL 1020 Homework Evolution & Natural Selection 4 NATURAL SELECTION: 1. In your OWN words, explain what natural selection is. What is required? What is the result? 2. True or false? For natural selection to work, a population must have genetic variation. Explain your answer. 3. List three sources of genetic variation in a population. Identify which sources are most important for asexually reproducing organisms. Which method is most important for sexually reproducing organisms? 4. List three mechanisms which cause...
Unit 3 Study Resource Meiosis • Process by which diploid cells create haploid cells NOT part of the cell cycle > only some cells ever undergo meiosis During meiosis I, homologous chromosomes line up to allow them to be separated into two new cells o They can become "tangled" during this phase, which leads to crossing-over (rearranging the alleles) O Result of meiosis I is two non-identical haploid cells Meiosis Il looks very similar to mitosis, in that sister chromatids...
1.All members of the plant kingdom have ______.
Pick all applicable answers. At least two answers must be
correct for a partial credit.
Group of answer choices
the male and female gametes
presence of sori
multicellular embryo
both gametophytic and sporophytic generation
haploid spores at some point in life cycle
2.
Pick any two most relevant answers for this image. Both answers
must be correct.
Group of answer choices
It is placed in Liliopsida
Stamens are absent
It belongs to...
6. Which is not a characteristic of fungi? A. Most are single celled B. It is a saprophyte D. It lives moist areas E. All the above are characteristics of the fungi C. It is a decomposer 7. Why is the relationship between most mycorhizal fungi and their host plants considered mutualistic? A. They live in close physical association. B. Both species benefit from the association. C. The host plant cannot live without the mycorhizae. D. The mycorhizae cannot live...
28. Seed plants: A) are all heterosporous; B) have motile sperm; C) have photosynthetic, free- living gametophytes; D) are all monoecious; E) none of the above 29. The first land plants share a most recent common ancestor with a group of aquatic organisms that lived in the littoral zone known as: A) charophyceans; B) chlorophytes; C) catphytes; D) coanocytes; E) cycadophytes 30. Which of the following is true for organisms with zygotic meiosis? A) The gametes are produced from haploid...
_28. Seed plants: A) are all heterosporous; B) have motile sperm; C) have photosynthetic, free- living gametophytes; D) are all monoecious; E) none of the above 29. The first land plants share a most recent common ancestor with a group of aquatic organisms that lived in the littoral zone known as: A) charophyceans; B) chlorophytes; C) catphytes; D) coanocytes; E) cycadophytes 30. Which of the following is true for organisms with zygotic meiosis? A) The gametes are produced from haploid...
Styles Which process differs the most from metamorphosis? a. Alternation of generations b. Direct development c. Isogamy d. Anisogamy stage All plants and some algae have a complicated life cycle with both a multicellular diploid and a multicellular haploid stage. This type of life cycle is called a. sporophyte; gametophyte; metamorphosis b. sporophyte; gametophyte; alternation of generations c.gametophyte; sporophyte; alternation of generations d.gametophyte; sporophyte; metamorphosis The term "r-selection" refers to selection a. to increase age at sexual maturity. b. under...
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