investigating reproductive strategies answer key

A physical characteristic that is not inherited ,but is the affect of the environment. Sciences, Culinary Arts and Personal 1 0 obj 4. Start studying Investigating Reproductive Strategies. You can test out of the Develop and use a model to describe phenomena, To engage students in this lesson I show a video that answers a question that will surely grab that attention of middle school students, "Why Sex?". The Investigating Reproductive Strategies worksheet (page S-1). From the two general reproductive strategies, we can draw some inferences. R-strategists tend to live and reproduce with the following characteristics: In relative comparison, k-strategists tend to live and reproduce with the following characteristics: To unlock this lesson you must be a Study.com Member. Why or why not? courses that prepare you to earn They may have offspring multiple times in their life but when they do, the offspring are few in numbers. The video introduces the following topics: 1. endobj endobj A possible way to remember this is that r-strategists tend to rush to reproduce. Careful approach. Not sure what college you want to attend yet? The genetic transmission of characteristics from parent to offspring. What Is the International Reading Association? Considering what is essential for an animal's survival... How do conditions in the wild differ from conditions in captivity? Ask students to discuss the advantages and disadvantages of each mode of reproduction in their pairs. To answer this question, compare 5 aspects of organisms that reproduce sexually and asexually with a partner. Terms in this set (13) Trait. Directions: Walk around the room and read the comparison tables posted by the other ecologists in the room. <> key ideas to help you guide classroom discussion during the activity. But did you know that isn't always the case? Write. How do you think this could affect the survival of the species? - Executing Organizational Change, Divisive Hierarchical Clustering: Example & Analysis. Spell. | {{course.flashcardSetCount}} To answer these questions you decide to compare 5 aspects of organisms that reproduce sexually with organisms that reproduce asexually. <> 9. Heredity. Do you think this percentage is significant? %���� Percentage of organisms that sexually reproduce. Choice B refers to organisms like humans and elephants. Reproductive strategies can also give us glimpses into an animal's characteristics as per the r-strategists and k-strategists. What you're about to learn is not without exception, they are just general things to keep in mind. flashcard set{{course.flashcardSetCoun > 1 ? This article elaborates on parthenogenesis, which is one of the asexual reproductive strategies discussed before. Anyone can earn Why is parthenogenesis in Komodo Dragons (Varanus komodoensis) a concern in captive breeding programs? © copyright 2003-2020 Study.com. A unit of heredity that is transferred from parent to offspring. Cause and effect relationships may be used to predict phenomena in natural systems. This lesson defines a reproductive strategy. The term reproductive strategy is loosely used to refer to the way an animal mates and/or raises offspring. 4 0 obj Blue-headed wrasse. Think of people, many people have 1-2 children during their lives and only 1 child at a time. You are an ecologist who wants to find out. The upside is a much higher chance of winning the design contest but the downside is, if you don't, you would've wasted a lot more time than in A. Why is it significant that virgin births are seen in the wild and not just captivity? Investigating Reproductive Strategies Directions: What are the advantages and disadvantages of sexual and asexual reproduction? Such animals also tend to place greater importance on the care of their progeny. X=�>���#]�Wj���=��3VbY�D*�,� 's' : ''}}. �4�1 d��n�LY�L��ch0���>��ԍ�^���u��X���4 �Й�L���uО�SS���ab�V"�ek�4 ;�!�1C�N�O�����X]��QFTYU����v$�柈��aȎ�3e?������gz�f�M�Y����Ȯ�5�;���h��@���Ch�YW�.��->̊��7�)6���[�M�rUf��) ׃-���YU$��Rd9 ~�/�~�z�����ru8n�6�-�b����{��?vx�-�A�.��q��f?��~s�����ZfCI��2�jb^��Q�3� first two years of college and save thousands off your degree. 1. Believe it or not, both A and B are a reflection of two general types of reproductive strategies animals use. Add advantages and disadvantages to the list of general characteristics for each mode of reproduction. 3. What was so unusual about the babies of the captive boa that gave birth through parthenogenesis? Learn. Answer Key Asexual And Sexual Reproduction. Showing top 8 worksheets in the category - Answer Key Asexual And Sexual Reproduction. Once students have finished reading, they answer the following text-dependent questions: (RST-6.8.1 - Cite specific textual evidence to support analysis of science and technical texts.). Thus, few of the offspring have any chance of reaching adulthood ('winning the design contest'). Organisms that can reproduce either sexually or asexually. Earn Transferable Credit & Get your Degree. What percentage of wild births of copperheads Agkistrodon contortrix does Professor Booth estimate are from parthenogenesis? Brittle star. In other words, they invest a lot of energy on protecting and raising a fully functional adult ('winning the design contest'). flashcard set, {{courseNav.course.topics.length}} chapters | There are two modes of reproduction; sexual and asexual. Think of a fish that goes to a spawning ground, lays its eggs and then swims off to die. As students watch the video they are required to write down definitions and make sketches of each the reproductive strategies described in video. It could even imply the characteristics of the animal and the environment in which it finds itself in. <> There are advantages and disadvantages to both sexual and asexual reproduction. 8. %PDF-1.5 Gravity. Investigating Reproductive Strategies Contributor University of Utah Genetic Science Learning Center Type Category Instructional Materials Types Experiment/Lab Activity Note This resource, vetted by NSTA curators, is provided to teachers along with suggested modifications to make it more in line with the vision of the NGSS. Organisms that are 'r-strategists' have the following tendencies: In relative comparison, the so called 'k-strategists' have the following tendencies: The term reproductive strategy is loosely used to refer to the way an animal mates and/or raises offspring. credit by exam that is accepted by over 1,500 colleges and universities. Why or why not? 4 0 obj BetterLesson reimagines professional learning by personalizing support for educators to support student-centered learning. endobj 2. A distinguishing quality or characteristic. ... » The Investigating Reproductive Strategies worksheet (page S-1) » 2 organism descriptions - one for an organism that reproduces sexually and one for an organism that reproduces either asexually or using both strategies - (see chart below). A distinguishing quality or characteristic. Log in here for access. Log in or sign up to add this lesson to a Custom Course. Create an account to start this course today. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Study.com has thousands of articles about every All other trademarks and copyrights are the property of their respective owners. Hand each pair: » The Investigating Reproductive Strategies worksheet (page S-1) » 2 organism descriptions - one for an organism that reproduces sexually and one for an organism that reproduces either asexually or using both strategies - (see chart below). Lead a discussion on the types of situations or conditions in which each mode of reproduction would be most advantageous or disadvantageous. All Rights Reserved. <>>> a. Quiz & Worksheet - Reproductive Strategies Overview, Over 83,000 lessons in all major subjects, {{courseNav.course.mDynamicIntFields.lessonCount}}, Overview of Animal Reproduction and Development, Male Reproductive System: External Anatomy, Female Reproductive System: Internal Anatomy, What is the Amniotic Sac? stream Those eggs can be easily destroyed or eaten. An easy way to remember this is that both goats and humans are k-strategists because they have kids. Select a subject to preview related courses: From the two general reproductive strategies, we can draw some inferences. The first two lessons provide the background knowledge for lesson 3 which address the following: MS-LS3-2. Lots of eggs but little care for any of them. The passing on of physical or mental characteristics from one generation to another. Amoeba. To learn more, visit our Earning Credit Page. Generating Ideas for Explanatory Essay By Thinking About Our Beliefs. When all pairs have completed the comparison table, have them post their tables around the room. Investigating Reproductive Strategies. If any hatch, those little fish are very vulnerable to predation as well. It looks like your browser needs an update. stream Showing top 8 worksheets in the category - Answer Key Asexual And Sexual Reproduction. This could mean sexual vs. asexual reproduction. This is lesson 3 in a 3 lesson series on reproduction. There was a problem previewing this document. The Investigating Reproductive Strategies worksheet (page S-1). - Size, Reproduction & Facts, Middle School Life Science: Help and Review, Biological and Biomedical - Definition & Function, What is a Liger? The upside is a higher chance of passing on ones genes successfully, but the downside is that there are few offspring with which to try and do so. 2. %���� A disease caused by an abnormality in an individual's genome. ... È The Investigating Reproductive Strategies worksheet (page S-1) È 2 organism descriptions - one for an organism that reproduces sexually and one for an organism that reproduces either asexually or using both strategies - (see chart below). Flashcards. Do you think this concern may be unfounded given what was documented with the captive boa? Instruct each pair to read about their assigned organisms and complete the comparison table on the Investigating Reproductive Strategies worksheet. %�2Uu� Some of the worksheets for this concept are , Sexual and asexual reproduction, Animal reproduction answers work, Plant reproduction, Plant reproduction answers work, Reproduction asexual reproduction, Science 10 biology activity 14 work on sexual, Investigating reproductive strategies. Did you know… We have over 220 college But you know they are higher quality. Have them prepared to support their reasoning. Both strategies are equally succe, a k selected population is characterized by a. extensive parentalcare b, many offspring in one reproductiveperiod c. large eggs d. high death rate e. short life span Im stuck between a and c Please he, Working Scholars® Bringing Tuition-Free College to the Community, They are small at birth and small in general, Put in a lot of energy into their offspring. Some of the worksheets displayed are Sexual and asexual reproduction, Types of asexual reproduction work answers, Meiosis and sexual reproduction answer key, Asexual reproduction study guide answers, Lesson 1 sexual reproduction and meiosis, Skills work active reading, Seneca valley school district overview, Plant reproduction. Develop and use a model to describe why asexual reproduction results in offspring with identical genetic information and sexual reproduction results in offspring with genetic variation. The passing on of physical or mental characteristics from one generation to another. 1. Artem has a doctor of veterinary medicine degree. endobj Once you find your worksheet, click on pop-out icon or print icon to worksheet to print or download. <>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Retrying... Retrying... Download 7. These are organisms that reproduce very quickly, usually have lots of off-spring all at once, and don't invest much (if any) time in protecting and/or raising their offspring.

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