Term
| What are the characteristics of life? |
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Definition
| Life is organized, uses energy, evolves, is homeostatic, reporduces, and forms ecosystems |
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Term
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Definition
| Maintaining Ph, temp; keeping in balance. |
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Term
| Four steps to sci. method? |
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Definition
| Observe, hypothesize, experiment, draw conclusion. |
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Term
| What is the difference between control and experimental groups? |
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Definition
| Control is what should happen (the norm). The Experimental group has the variable applied to it and is compared to the control to see if there's a change. |
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Term
| What can science NOT be applied to? |
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Definition
| Religion, morals, feelings, etc. |
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Term
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Definition
| Enzymes speed up reactions. They are made of proteins (which are made of amino acids). |
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Term
| Can enzymes do every reaction? Or, just the specific reaction it was designed for? |
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Definition
| Only the specific reaction. |
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Term
| What 3 things does photosynthesis require? |
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Definition
| Sunlight, carbon dioxide, water |
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Term
| What organelle does photosynthesis take place in? |
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Definition
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Term
| What is the product of photosynthesis? |
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Definition
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Term
| Cellular respiration takes place in the... |
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Definition
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Term
| Product of cellular respiration? |
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Definition
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Term
| Difference between fermitation and cellular respiration? |
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Definition
| Fermitation produces only 2 ATP, is anaerobic (no O2), and has fewer steps. |
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Term
| How many ATP are produced in each step of cellular respiration? |
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Definition
Glycolysis: 2
Prep Reaction: 0
Krebs Cycle: 2
ETC: 32 or 34 |
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Term
| What process uses the Calvin cycle? In which organelle? |
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Definition
| Photosynthesis; Chloroplast. |
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Term
| What process uses Light Reaction? In which location? |
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Definition
| Cellular Respiration; Mitochondria |
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Term
| An organism that always passes down a certain phenotypic trait to offspring. |
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Definition
| True-breeding (Pure bred) |
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Term
| Where do genetic variations come from? |
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Definition
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Term
| What causes shifts in the gene pool? |
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Definition
| Natural selection, Genetic Drift, Gene Flow and Mutations |
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Term
| Three types of natural selection and desc. for each. |
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Definition
| Stabalizing (average favored), Directional (one extreme favored), Disrupting (Multiple extremes favored) |
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Term
| Difference between Allopatrick and Sympatrick |
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Definition
| Allopatrick required geographic barrier, Sympatrick does not. |
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Term
| What factors result in there being different ecosystems in different regions? |
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Definition
| Climate, topography, wind patterns (bring in or push away warm water). |
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Term
| Reasons for decrease in biodiversity. |
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Definition
| Pollution, Habitat Loss, Over Exploitation, Disease, Alien Species |
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Term
| What chemicals cause Eutrophication? Why is it bad? |
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Definition
| Nitrogen & Phosphorus. It leads to algae boom in water, which uses up oxygen and kills off fish. |
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Term
| Are fungi single or multi celled? Are they hetero or autotrophs? What is fungi's role in nature? |
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Definition
| Both single and multi; heterotroph only; decomposers |
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Term
| Carbon Cycle is unbalanced/affected due to... |
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Definition
| The burning of fossil fuels |
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Term
| What is biological magnification? |
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Definition
| States than energy travels up the chain (DDT bald eages). |
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Term
1. Located at the equator
2. Located 30 degrees N or S of equator
3. Contains permafrost
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Definition
1. Rainforrest
2. Desert
3. Tundra |
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Term
| Which of the plant groups is non-vascular? |
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Definition
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Term
| Which 2 groups of plants have seeds? |
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Definition
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Term
| What 3 groups of plants is the sporophyte dominate? |
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Definition
| Fern, Gymnosperm, Angiosperm |
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Term
| Charges of three atom components |
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Definition
Proton=Pos.
Electron=Neg.
Neutron=Neutral |
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Term
| Reaction that brings monomers together to build up polymers? The reaction that breaks down polymers? |
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Definition
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Term
| Primitive cells that contain bacteria; Advanced cells that contain everything else. |
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Definition
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Term
| Four steps and desc. for cell cycle. |
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Definition
G1 (Recovery)
S (DNA Replication)
G2 (Prep, Duplications)
M (Mitosis, Cytokinesis) |
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Term
| Chromosomes cut in half in ____. Stays the same in ____. |
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Definition
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Term
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Definition
| Epidermal, Vascular, Ground Tissue |
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Term
| Role of Zylum and Phloum in plants. |
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Definition
| Zylum carries water through root system; Phloum carries sugars and products of photosynthesis. |
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Term
| Which part of the plant becomes the seed? Which part becomes the fruit? |
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Definition
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Term
| The phylum with asymmetry |
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Definition
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Term
| Phylums with radial symmetry. |
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Definition
| Echinodermata (Starfish, Sand dollar); Cnidaria (Jellyfish) |
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Term
| Covalent Bond occurs when... |
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Definition
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Term
| How many chromosomes at end of meiosis? At end of mitosis? |
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Definition
| 23. For mitosis... 46 whole, or 23 pairs |
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Term
| How are mosses tied to water? Ferns? |
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Definition
Moss: Flagellated sperm that require water, and no vascular tissue, which allows for easy absorbtion.
Ferns: Flagellated sperm |
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Term
| How are gymno and angiosperms tied to land? |
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Definition
| No sperm, but sperm in pollen. Also, seeds over spores. |
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Term
How are prokaryotic and euaryotic different?
How are they the same? |
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Definition
Diff: Prok is smaller and lacks a nucleus, Euk has nucleus and more organelles.
Same: Both have cytoplasm, cell membrane and genetic material. |
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Term
What are density-dependant factors?
Density independent factors? |
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Definition
Dependent: Disease, Competition, Predation
Independent: Weather, Climate |
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Term
| How to insects/bacteria develop resistence to pesticide/antiobiotics? |
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Definition
| A genetic mutation occurs that makes a portion of the population resistent. As a result, only members with these mutations survive, so offspring carries the mutation. |
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Term
| What are the other products of cell respiration besides ATP? |
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Definition
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Term
| What are the reactants of cellular respiration? |
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Definition
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