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Biology Final review

Review for 2018 Life Science Exam

ocular lens, objective lens used to magnify the objects on the stage
fine and course focus adjustment knobs used to focus the object into view
diaphragm and light source used to view the object on the stage
Total magnification ocular X objective
bubbles what to avoid when making a wet mount slide
mitochondria powerhouse of the cell
chloroplast where photosynthesis takes place
cellular respiration produces carbon dioxide and ATP energy
photosynthesis produces glucose and oxygen
food energy source for animals
sun energy source for plants
stain used to make clear cells visible
base and arm used to carry microscope
high power objective never use the course focus knob when this lens is in place
cells building blocks of all living things
mitosis the division of the nucleus
purpose for mitosis growth, repair and replacement of cells, reproduction
meiosis cell division that creates sex cells
gametes egg and sperm cells
Asexual reproduction all offspring are identical to parent
Sexual reproduction offspring are variations of the parents
one number of parents in Asexual Reproduction
two number of parents in Sexual Reproduction
chromosomes in sex cells One half the parent chromosome number
growth occurs through increase in cell number through mitosis
Organelles located within cells for life activities
cell wall only in plant cells for structure and support
large central vacuole storage for plant cells
cytoplasm gel material that suspends organelles within the cell
cell membrane gatekeeper, in both plant and animal cells
budding asexual reproduction in Hydra
regeneration asexual reproduction from parts
vegetative propagation asexual reproduction in plants
body cells cells created by mitosis
egg female sex cell with 1/2 chromosome number
sperm male sex cell with 1/2 the chromosome number
genes located on chromosomes as bands of DNA
levels of organization organelles, cells, tissues, organs, organ systems
cancer abnormal cells with uncontrolled reproduction
adenine thymine
guanine cytosine
ecosystem interactions between living and nonliving parts of nature
natural selection when nature selects organisms that will survive
adaptation organism's ability to survive based on it's variation
Charles Darwin Father of Natural Selection
Gregor Mendel Father of Genetics
Watson and Crick discovered structure of DNA
Carnivore eats only meat
Omnivore eats both meat and plants
herbivore eats only plants
Evidence for evolution Fossils,Embryological similarities, DNA, Homologous Structures
Producers make their own food
Consumers Omnivores, carnivores, and herbivores
Habitat where an organism lives
Niche the job, or function of an organism
Decomposers absorb food from dead organisms and break down once living materials
Succession changes in plant and animal life due to an environmental change Takes place over time
Kingdom broad classification group, includes 6 different groups
species most specific level of classification
Internal and external structures Differences in these allow organisms to be classified
Scientific method Scientific steps that can help solve a problem
Punnett square Tool to predict a hereditary outcome
Dominant trait Always shows itself when allele is present
Recessive trait Silent in the presence of the dominant allele
Homeostasis The ability to maintain internal conditions no matter what external conditions are
calorie unit of food energy measurement
Respiratory system provides oxygen to blood and exhales carbon dioxide
Circulatory system the body's internal transportation system
Excretory system Removes dissolved waste from the blood
Skeletal system Protects, supports body, produces red blood cells
Muscular system Along with skeletal system , allows for movement
Endocrine system Ductless body system that produces hormones
hormones chemicals produced by endocrine system that control the body
Kidney main organ of excretory system
heart main organ of circulatory system
brain, central nerve chord main parts of the nervous system
nervous system coordinates movement and all body functions
absorption process through which nutrients enter the circulatory system
Created by: l.duxbury
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