You are examining an organism you believe to be an animal. Which of the following would NOT support your hypothesis? O A The organism appears to be heterotrophic. O B The organism appears to be multicellular. O C The organism appears to be motile. O D The organism appears to have cell walls. O E All animals, including sponges, have development directed by Hox genes.

You are examining an organism you believe to be an animal. Which of the following would NOT support your hypothesis? O A The organism appears to be heterotrophic. O B The organism appears to be multicellular. O C The organism appears to be motile. O D The organism appears to have cell walls. O E All animals, including sponges, have development directed by Hox genes.

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter12: Meiosis And Sexual Reproduction

Section: Chapter Questions

Problem 4SA: Meiosis ________. a. occurs only in germ cells of animals b. supports growth and tissue repair in...

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Identify each of these statements as ones that describe asexual reproduction (A),sexual reproduction (S), or could describe both (B) forms of reproduction. Writeyour answer on the space provided before each number.B= BothA= Asexual ReproductionS= Sexual Reproduction1. organism does not need a mate to reproduce2. takes some time to create offspring-3. the offspring are not the exact copy of their parent/s4. it is a quick process5. does not need to develop special cells for reproduction6. environmental changes affect all individuals-7. may only be able to reproduce with a limited number or may notreproduce at all_8. offspring are reproduced9. characteristics are passed down to the next generation10. many new organisms are created in a short period of time11. dogs and cats reproduce this way12. amoeba, yeast and bacteria reproduce this way.13. plants reproduce this way14. production of gametes is necessary15. its purpose is the survival and continuity of species
The difference between asexual and sexual reproduction is that A. asexual reproduction occurs only in haplontic organisms, whereas sexual reproduction occurs only in diplontic organisms. B. asexual reproduction results from meiosis, whereas sexual reproduction results from mitosis. C. asexual reproduction occurs only in bacteria, whereas sexual reproduction occurs in plants and animals. O D. asexual reproduction results from the fusion of two gametes, whereas sexual reproduction produces clones of the parent organism. O E. asexual reproduction results in an organism that is identical to the parent, whereas sexual reproduction results in an organism that is not identical to either parent.
18). Which other characteristics could 1 point be used to describe the organism presented below? * Offspring resulting from only the process of mitotic cell division (1) carries out photosynthesis and needs oxygen (2) deposits cellular wastes on land and decomposes dead organisms (3) reproduces asexually and is a consumer (4) reproduces in a water habitat and is a producer
Binary fission is a form of asexual reproduction. What is an advantage of asexual reproduction when compared to sexual reproduction? a Asexual organisms are less likely to have mutations in their DNA than sexual organisms are. b An organism that reproduces asexually can reproduce much more quickly than an organism that reproduces sexually. c An asexual organism lives longer than an organism that reproduces sexually. d An organism that reproduces asexually is better equipped to respond to environmental changes than an organism that reproduces sexually.
Which of the following statements CORRECTLY describes the contribution of sperm to thezygote for most vertebrate species?A. flagella, acrosome vesicle,B. mitochondria, haploid DNAC. centriole, haploid DNAD. acrosome vesicle, mitochondria
Volvox carteri, an volvocine alga, has approximately 2000 somatic cells and only 16 reproductive or germ line cells. The observation that multicellular individuals, like Volvox, have a much smaller subset of germ line cells compared to somatic cells appears to be general rule. Which of the following is the best evolutionary explanation for why this is the case? A) Organisms can biologically only contain a small number of germ line cells as they are always larger than somatic cells. B) Multicellular individuals with a germ line vs. somatic cell line differentiation only evolved a single time, thus all members of this lineage share the same scheme of more soma cells with a much smaller subset of germ line cells. C) Having a smaller subset of reproductive cells helps reduce the likelihood of cheating from evolving, which in turns prevents the collapse of the multicellular individual system. D) None of the above.
https://nj.pbslearningmedia.org/resource/tdc02.sci.life.stru.different/cell-differentiation/#.XhYcbf5KjBI How would you explain the similarities among bird, mammal, and reptile embryos at the early stages of development, and what directs the sequence of events during embryonic development?
Why is it easier to manipulate embryonic stem cells to differentiate into various tissues than it is to manipulate a typical adult cell? a. As cells develop, signaling pathways can cause some genes to be turned off during development. b. Adult cells have different DNA content than do embryonic stem cells. c. Emybronic stem cells pose less of a threat for organ rejection as do an individual s own adult cells. d. It is no easier to manipulate emybronic stem cells to differentiate into various tissues than it is to manipulate a typical adult cell.
Which of the following is NOT an example of cell migration as a part of cell differentiation? A. Mesenchyme cells forming mesoderm during gastrulation B. Primitive streak formation in a chick embryo C. Concentration of protein complexes during cleavage D. Convergent extension to elongate the archenteron in the sea urchin
Meiosis ________. a. occurs only in germ cells of animals b. supports growth and tissue repair in multicelled species c. gives rise to genetic diversity among offspring d. is part of the life cycle of all cells.
Which of the following is not true regarding asexual reproduction? Select one: O a. The cells use meiosis to divide O b. It happens in both unicellular and some multicellular organisms O C The cells use mitosis to divide O d. A single individual passes along copies of all its genes to its offspring O e. The produced cells are genetically identical
You are studying reproduction in starfish (also known as sea stars). You are able to successfully extract sperm and eggs from individuals in the lab and artificially fertilize the eggs. What is the second thing you expect to see (from this list) in the zygote/embryo after successful fertilization? Group of answer choices A. development of a barrier against sperm entry B. rapid cell division without growth C. rapid growth and cell division D. development of organs