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Biology is the study of. _____________________. The smallest unit of life is a. _________________. Animal cell. Plant cell. Levels of organization of living things. Cells come together to make _______ Tissue comes together to make ________ Organs come together to make
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Biology is the study of _____________________
The smallest unit of life is a • _________________ Animal cell Plant cell
Levels of organization of living things • Cells come together to make _______ • Tissue comes together to make ________ • Organs come together to make • ______________ ___________ • Organ systems come together to make • ______________
Cell division • To make more cells, cells need to divide. They do this during the cell cycle and mitosis • There are 4 phases of mitosis
Interphase • This is the longest phase. • During interphase, the cells __________, DNA ___________ & the cell prepares for ________________
Prophase • During prophase, the _____________- become visible, the ___________ separate and take up positions on opposite sides of the nucleus
Metaphase • During metaphase, the chromosomes will line up in the _____________
Anaphase • During anaphase, the chromosomes are being pulled _________________
Telophase • The final phase of mitosis. • During telophase, the ___________ gather at opposite ends of the cell. Two new nuclear envelopes will form
Cytokinesis • During cytokinesis, the _________pinches in half. Each daughter cell has an identical set of duplicate chromosomes.
What do living things need to live? • Plants need water, ___________ and the energy of the _____________ • Animals need ____________ and _________