1. Male and female animals have a pair of gonads. What advantages does it provide to the species? 2. How do flowering plants reproduce asexually and sexually? 3. How do animals reproduce?
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- Date: F/21 Gr-5 B/G ub: SCIENCE ither print to complete this worksheet or write only answers in the notebook. In this exercise. you wiil compiete sentences about poiliination and fertilization. Use the words in the box to elp you complete the sentences. You will use some words more than once. Wind Insects Seeds Pollen Stigma Anthers Nectar male cell Anthers Ovary Fertilization 1. The of flowers make a yellow powder called to the of 2. Pollination happens when pollen moves from the a flowers of the same type. 3. Some plants use to blow the pollen far away. 4. Insects get on their bodies when they visit flowers to feed on 5. The and eggs join together inside the during This is how is formed, 6. The becomes the fruit. II. Circle whether the statements are True or false True False Egg cells are made in an ovary. True False transfer of pollen to stigma is called pollination. True False Fertilization happens in the ovary. Frue False An egg cell must be fertilized to become an embryo. True…INSTRUCTIONS: FILL IN THE BLANKS. NOTE: Refer to the given terms in the box in answering this activity. A. In each _____________ of the anther are masses of ______________ (diploid microspore mother cells). B. Each of the diploid cells divides by meiosis to form four haploid cells called ______. Mitosis of the haploid cells forms a pollen grain with two nuclei. One nucleus called the _________ creates a passageway for the gametes and the other nuclei called _________ produces the gametes. C. Prior to fertilization in the angiosperms, pollen grains are released from the _________ of the flower to land upon the __________ of the same or another flower. This process is called ________. D. Inside the ovule, a(an)_________ with a diploid (2n) chromosomal condition divides by ___________ forming four _____________, only one becomes a(an) embryo sac and develops into a(an) ___________ after fertilization. E. In the female gametophyte of the ovary, one egg is associated with the…PLEASE ANSWER NUMBER 1 AND 2 QUESTIONS: 1. Explain what is meant by alternation of generation. 2. Diagram and describe a generalized plant life cycle. (LABEL THE DIAGRAM)
- KINDLY ANSWER THE FOLLOWING QUESTIONS: 1. Differentiate the following based on structural features, location/occurrence in the plant body and function: i. amyloplast; ii. chloroplast; iii. chromoplast. 2. Discuss two importance of trichomes to plants. What are the benefits that people can derive from plant trichomes.Instruction: Observe the process used in plant and animal reproduction. A. Put a Check (/) if the process helps to produce offspring with genetic variation, then put a cross (x) if it produces offspring with no genetic variation. Process Genetic Variation in Offspring 1. Self pollination of a flower 2. Plant Cutting 3. Germination of seeds 4. Stolons producing new plantshttps://www.youtube.com/watch?v=Q_8ZEW2CGKo https://www.youtube.com/watch?v=7EAeTkZ7Xow Watch 1 plastination technique and 2 human bodies exhibit to answer the question 1: Describe the plastination technique in your own words. What did you find the more complex part of the process? 2: Describe one of the cadaver’s that was exhibited in the Las Vegas: Human Bodies Exhibit. Describe which muscles you could see and what type of movements this body was attempting to display (flexion, abduction etc. )
- Please answer the following questions for me: 1 Why is it important to determine whether or not genes that provides insecticide and fungi resistance may be transferred to wild sunflowers? 2. What factors would you measure (response, or dependent varibles)? 3. Fitness can be measured as a seed set (seed production) Why is it important to measure as seed production? 4. Cultivated sunflowers have one stem that produces one single large flower head, while wild flowers have many branches that produce many flowers. Why is it important to measure branching pattern (number of branches produced by F1 plants, backcrosses and wild type sunflowers? 5. Why is it important to include blackcrosses in the exeriment?Explain your answer for 1 to 2 paragraphs While many of us have an intuitive sense of the what is meant by “growth” in our everyday vocabulary, growth is an important concept in developmental biology as well. a) Define growth as it relates to developmental biology. b) What are the main mechanisms of growth?QUESTION 17 Which of the following are supportive cells that provide a supportive framework for neurons, secrete and circulate cerebrospinal fluid, destroy microorganisms, foreign matter and dead nervous system and forms the myelin sheath? Osteocytes White blood cells Red blood cells Glial cells O Megakaryocytes QUESTION 18 cervical vertebrae, thoracic vertebrae and lumbar vertebrae. There are O 7, 5, 12 12, 5, 7 7, 12, 5 O 5, 7, 12 5, 12, 7 Click Save and Submit to şave and submit. Click Save All Answers to save all answers.
- INSTRUCTIONS: ESSAY (Write in your own words no longer than 350 words) Seed germination may depend on the presence or absence of several external and internal factors. Discuss one external and one internal factor that may influence the successful germination of seeds.4th Quarter Activity 1: Draw atleast 6 examples of Plants which reproduced Sexually and Asexually. Label its name and parts then color your work if needed. The criteria in making your activity is given below. 3 Plants that Reproduced Asexually 3 Plants that Reproduced Sexually CRITERIA PERCENTAGE Creativity 30%UNIT 2: Chapter 2 - Lesson 1 ACTIVITY SHEET 3 DATE: NAME: GRADE & SECTION: TEACHER: Final Activity 3 Instruction: Fill-in the table below. Give example of animals/plants for each method of asexual reproduction. Asexual Reproduction Animals/Plants 1. Budding 1. 2. 2. Fission 1. 2. 3. Fragmentation and Regeneration 1. 2. 4. Parthenogenesis 1. 2. DEFINITION ADVANTAGES DISADVANTAGES ASEXUAL SEXUAL