Haploid gametophyte - Study guides, Class notes & Summaries

ADVANCED PLACEMENT (AP) BIOLOGY: Plant Biology 122 Questions Correctly Answered | 100% Rated Question 1 Which is of the following is not an adaptation/modification that enabled plants to move from aquatic to terrestrial environments as they evolved? Possible Answers: Stomata Thylakoid membranes Cutin Roots and root hairs Correct answer: Thylakoid membranes Question 2 Which structures did not evolve after plants emerged onto land? Possible Answers: Stomata Seeds Cell wal...

AP Biology Unit 5 Exam Questions With Correct Answers 100% Verified. If a horticulturist breeding gardenias succeeds in having a single plant with a particularly desirable set of traits, which of the following would be her most probable and efficient route to establishing a line of such plants? A) Backtrack through her previous experiments to obtain another plant with the same traits. B) Breed this plant with another plant with much weaker traits C) Clone the plant asexually to produce an...

Exam 6 Principles of Biology (Biol 198) Robbie Bear KSU Exam Questions With 100% Correct Answers Which of the following characteristics is shared by all land plants? (QZ) - answerThe alternation of generations __________ are terrestrial, photosynthetic organisms but are NOT related to the four land plant groups because they represent an obligate mutualism between a fungus and a photosynthetic organism. (QZ) - answerLichens Which land plant group has a dominant independent haploid stage ...

Genetics 3333 Exam One Questions and Answers Cytokinesis - Answer-The division of a single cell into two cells; Two nuclei produced in mitosis are segregated into separate daughter cells. Cleavage furrow - Answer-A constriction that causes the division of two animal cells during cytokinesis. Meiosis - Answer-A form of nuclear division in which the sorting process results in the production of haploid cells from a diploid cell. Leptotene - Answer-First stage of prophase of meiosis 1; Re...

List four groups of land plants, and able to mark their traits on a phylogeny. - ANSWER 1. nonvascular (mosses) : diverged from green algae 2. seedless vascular (ferns) : adaptive radiations in Devonian & Carboniferous 3. seed plants : recent adaptive radiation, dominate planet! -gymnofers (pine cones) : conifers -angiosperms : flowering plants (DOMINANT) Explain why branching in plants is important. - ANSWER -more reproductive potential, more flowers on a branched tree -more photosynt...

alternation of generations - Answer-a life-cycle type in which the diploid and haploid stages alternate chiasmata (chiasma) - Answer-the structure that forms at the cross over points after genetic material is exchanged cohesin - Answer-proteins that form a complex that seals sister chromatids together at their centimetres until anaphase Crossover - Answer-exchange of genetic material between non-sister chromatids resulting in chromosomes that incorporate genes from both parents of the orga...

Bio 112 Exam 3 Janes TAMU Latest Update Graded A+ Bryophytes Characteristics Vascular: no Seed Bearing: no Dominant Generation: gametophyte Examples/Phyla: liverwort, mosses, hornwort Special features: use spores, no seeds, need water for reproduction Paleozoic or Mesozoic: Paleozoic Ferns Characteristics Vascular: yes Seed Bearing: no Dominant Generation: sporophyte Examples/Phyla: monilophyta Special features: have sporangium Paleozoic or Mesozoic: Paleozoic Gymnosperms C...

A plant, such as an iris, that reproduces asexually most of the time probably A) is found in a changing environment. B) produces offspring that move into new environments. C) lacks the ability to make flowers. D) forms spores. E) has offspring that live in the same environment as the parents. Ξ -:- E An oak tree is a A) sporophyte. B) gametophyte. C) gamete. D) spore. E) zygote. Ξ -:- A 8) The sexual life cycle of plants is described as alternation of generations because it alter...

Biology 104: Plant Exam questions with correct answers What are the characteristics of a plant? -Correct Answer-A multicellular, eukaryotic, autotrophic organism with a cell wall (cellulose), performs photosynthesis, store starch, non mobile, alternation of generations, reproductive protection tissue From what organism did plants evolve? -Correct Answer-Charophytes (green algae) What are the adaptations of plants to life on land? -Correct Answer-the need for a constant supply of water (ro...

Part A Click on the table to see the data the researchers collected for each Mimulus species. Which variables are positively correlated with the volume of nectar production in this genus? Select all that apply. - -seeds per flower -visits per flower Correct: Species that make a larger volume of nectar also have a higher number of seeds per flower and a higher number of visits per flower. Part A In angiosperms, each pollen grain produces two sperm. What do these sperm do? - One fertilizes...