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Mitosis

7th Grade Science MVMS Ms. Whittington
by

Marty Lewin

on 5 February 2013

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Transcript of Mitosis

Mitosis Your 7th Grade Science Class What does
Mitosis look like ? How smart are you ? Mitosis is the process that directs the equal distribution of replicated chromosomes into two identical groups. Process by which a cell produces two new nuclei. Process by which a cell produces two new nuclei. Metaphase: Chromosomes appear
8 chromosomes Prophase: 8 Chromosomes Before Mitosis 4 Chromosomes Interphase: copy or duplicate number of chromosomes Process by which a cell produces two new nuclei. Metaphase: Chromosomes appear
8 chromosomes Prophase: 8 Chromosomes 4 Chromosomes Before Mitosis Interphase: copy or duplicate number of chromosomes Process by which a cell produces two new nuclei. Chromosomes appear
8 chromosomes Prophase: Before Mitosis
Interphase: copy or duplicate number of chromosomes
8 Chromosomes Process by which a cell produces two new nuclei. Cell membrane pinches in Process by which a cell produces two new nuclei. Anaphase Metaphase: Chromosomes appear
8 chromosomes Prophase: Cell membrane pinches in
4 chromosomes in each new nuclei. 8 Chromosomes Interphase: copy or duplicate number of chromosomes 4 Chromosomes Before Mitosis www.youtube.com/watch?v=I5uFuvkN97I 4 Chromosomes Prophase: 8 Chromosomes appear Metaphase: Anaphase: Telophase: http://biology.about.com/library/quiz/blmitosisquiz2.htm Let's see if we can put mitosis in the right order? Take out your journals. You will need scissors, & glue.
You must: cut, order, & label your mitosis pictures. Science is so cool... Cut - copy - paste and open to play: You can find cells in everything The End Begins with the Parent Cell Do not glue it down until
OKed by your teacher for
accuracy. You will be graded
for accuracy and completeness. 112.19 (4) (E) Organisms and environments.

(i) Students will understand the relationship between living organisms and their environment. Different environments support different living organisms that are adapted to that region of Earth. Organisms are living systems that maintain a steady state with that environment and whose balance may be disrupted by internal and external stimuli. External stimuli include human activity or the environment. Successful organisms can reestablish a balance through different processes such as a feedback mechanism. Ecological succession can be seen on a broad or small scale.

(ii) Students learn that all organisms obtain energy, get rid of wastes, grow, and reproduce. During both sexual and asexual reproduction, traits are passed onto the next generation. These traits are contained in genetic material that is found on genes within a chromosome from the parent. Changes in traits sometimes occur in a population over many generations. One of the ways a change can occur is through the process of natural selection. Students extend their understanding of structures in living systems from a previous focus on external structures to an understanding of internal structures and functions within living things.

(iii) All living organisms are made up of smaller units called cells. All cells use energy, get rid of wastes, and contain genetic material. Students will compare plant and animal cells and understand the internal structures within them that allow them to obtain energy, get rid of wastes, grow, and reproduce in different ways. Cells can organize into tissues, tissues into organs, and organs into organ systems. Students will learn the major functions of human body systems such as the ability of the integumentary system to protect against infection, injury, and ultraviolet (UV) radiation; regulate body temperature; and remove waste. We must tell you what we are going to tell you...
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