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Final Review
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Phrases | More phrases |
---|---|
Quantitative Data | Data in numbers |
Qualitative Data | Data in the form of words |
Parts of the scientific method. | Observation, problem or question, hypothesis, experiment, analyze data, form conclusion, share results |
Independent variable (Manipulated variable) | Manipulated by the scientist |
Dependent variable (responding variable) | Changes in response to changes in the independent variable |
Mutualism | both benefit |
Parasitism | parasite and host |
Predation | predator and prey |
commensalism | one benefits and the other is unaffected |
competition | Competing for a common resource |
Habitat | where an organism lives. |
Niche | Organisms role in an environment |
Population | same species, same place, same time |
Community | many different species (populations) living in one place |
Ecosystem | biotic and abiotic factors |
Biosphere | area of earth where life is found |
Foodweb | shows all the interactions within an ecosystem |
Food chain | one linear relationship found within an ecosystem |
Carrying capacity | the maximum number of individuals an ecosystem can support indefinitely |
Trophic levels | the different levels within a food chain. |
Energy pyramid | a graphical representation, showing the flow of energy at each trophic level in an ecosystem. |
Photosynthesis | brings carbon and energy into an ecosystem |
Cellular respiration | Breaks down energy in organic molecules so it can be used by organisms. |
ecological succession | Gradual change of species within an ecosystem. Primary and Secondary |
Parts of an atom | Proton, Neutron, Electron |
Enzyme | Lowers the activation energy of chemical reactions. |
Polarity | polar and nonpolar |
Acids | ph 0-6.9 |
Bases | ph 7.1-14 |
Carbohydrates | monossaccharides |
Lipids | glycerol and fatty acids |
Proteins | amino acids |
Nucleic acids | nucleotides |
Prokaryotes | cells do not have a nucleus |
Eukaryotes | cells do have a nucleus |
Organelles and their functions | Know the different organelles and their main function within the cell. |
Active transport | Uses energy: endo and exocytosis, and protein pumps. |
Passive transport | does not use enrgy: diffusion, osmosis, facilitated diffusion, ion channels. |
Hypertonic solution | cell shrinks |
Hypotonic solution | cell swells |
Isotonic solution | no change in the cell |
Different phases of mitosis | Prophase, metaphase, anaphase, telophase |
Mitosis in prokaryotes | Binary fission |
Monohybrid cross | A genetic cross of just one trait. |
Dihybrid cross | a genetic cross between two different genes that differ in two observed traits. |
Homozygous` | AA or aa BB or bb |
Heterozygous or Hybrid | Aa Bb |
Diploid | Has two sets of chromosomes, one from mom and one from dad. Humans 46 chromosomes |
Haploid | Only one set of chromosomes. Humans 23 chromosomes |
Arrange largest to smallest in size | Cell, Nucleus, Chromosome, DNA, nucleotide |
Translation | Production of a protein from a strand of mRNA. Occurs in a ribosome. |
Transcription | creation of mRNA from a strand of DNA |
The Central Dogma | DNA --> RNA --> Protein |
8 Levels of Classificaiton | D, K, P, C, O ,F, G, S |
Three domains of life | Eubacteria, Archaea, Eukarya |
What challenges faced early land plants? | water retention, absorbing nutrients, gravity, reproduction |
A flower is what kind of structure? | Reproductive structure |
What is the primary purpose of the fruit of a plant? | Seed dispersal |
Vertebrate | Has a backbone |
Invertebrate | Does not have a backbone. |
Evidence of Evolution | DNA analysis, fossil record, homologous structures, vestigial structure, and embryonic development |
Different phyla of animals. | Know these. |