Term
| What are the steps in the scientific process? |
|
Definition
1. Make an observation
2. Ask a question
3. Form a hypothesis
4. Conduct an experiment
5. Analyze/Collect data
6. Make a conclusion |
|
|
Term
| Information gathered from observing a plan grow 3cm over a two week period results in ____________ being collected. |
|
Definition
|
|
Term
| You state that the presence of water could accelerate the growth of bread mold. This is a _____________ and can be tested. |
|
Definition
|
|
Term
| A controlled experiment allows the scientist to isolate and test only _______ variable. |
|
Definition
|
|
Term
| What is a control in an experiment? |
|
Definition
| Something you do not change and use as is to compare to other results in an experiment. Serves as a base to compare to. |
|
|
Term
| A well-tested explanation that unifies a broad range of observations is a _________ ? |
|
Definition
|
|
Term
| In the metric system, the basic unit of length is the __________ ? |
|
Definition
|
|
Term
| On the Celsius temperature scale, how many degrees are between the freezing and boiling points of water? |
|
Definition
|
|
Term
| What are the basic units of measurement in the metric system? |
|
Definition
|
|
Term
| The basic unit of mass in SI is _________ . |
|
Definition
|
|
Term
| If an atom contains 11 protons and 12 neutrons, its atomic number is ___________ |
|
Definition
|
|
Term
| How many electrons does an atom of carbon contain? |
|
Definition
|
|
Term
| What is the atomic mass of oxygen? |
|
Definition
|
|
Term
|
Definition
| A chemical bond formed by the sharing of one or more electrons between atoms |
|
|
Term
|
Definition
| A chemical bond between two ions with opposite charges |
|
|
Term
| What makes up a molecule of water? |
|
Definition
| 2 Hydrogen atoms, 1 Oxygen atom |
|
|
Term
| Ice floats on water because of what property of water? |
|
Definition
|
|
Term
| The most abundant compound in most living things is __________ ? |
|
Definition
|
|
Term
| Why are water molecules polar? |
|
Definition
| Uneven distribution of electrons between the oxygen and hydrogen atoms |
|
|
Term
| When salt is dissolved in water, water is the __________ and the salt is the ___________ . |
|
Definition
|
|
Term
| A substance with a pH of 6 is called a _________ |
|
Definition
|
|
Term
| Name the macromolecules and list their building blocks. |
|
Definition
1. Lipids =FATS
2. Proteins =AMINO ACIDS
3. Carbohydrates =SUGARS
4. Nucleic acids =DNA/RNA |
|
|
Term
| Which organic compound is the main source of energy for living things? |
|
Definition
|
|
Term
| What is the function of proteins? |
|
Definition
|
|
Term
| A substance that accelerates the rate of a chemical reaction is called a _________ |
|
Definition
|
|
Term
|
Definition
| A protein that acts as a catalyst and speeds up chemical processes |
|
|
Term
| Carbon compounds that come from living organisms are called ________ compounds |
|
Definition
|
|
Term
| When placed in the same container, oil and water do not mix. Why? |
|
Definition
| Water is a "polar" molecule, while oil is non-polar, or "hydrophobic," or water hating. |
|
|
Term
| What affects enzymatic reaction rates? |
|
Definition
1. Substrate concentration
2. Enzyme concentration
3. Temperature
4. pH |
|
|
Term
| Enzymes affect the reactions in living cells by lowering the _________ _________ |
|
Definition
|
|
Term
| The branch of biology dealing with interactions among organisms and between organisms and their environment is __________ |
|
Definition
|
|
Term
| The lowest level of environmental complexity that includes living and nonliving factors is the __________ |
|
Definition
|
|
Term
| Name the trophic levels and give an example of an organism found in each. |
|
Definition
Tertiary Consumers: hawks
Secondary Consumers: foxes
Primary Consumers: rabbit
Primary Producers: algae and plants |
|
|
Term
| What is the original source of almost all the energy in most ecosystems? |
|
Definition
|
|
Term
| The algae at the beginning of an ocean food chain are _______ |
|
Definition
|
|
Term
| Organisms that break down and feed on wastes and dead organisms are called _________ |
|
Definition
|
|
Term
| What is an organism that feeds only on plants called? |
|
Definition
|
|
Term
| A bird stalks, kills, and then eats an insect. Based on its behavior, what ecological terms describe the bird? |
|
Definition
|
|
Term
| A snake that eats a frog that has eaten an insect that has fed on a plant is a _________ consumer. |
|
Definition
|
|
Term
| Only 10 percent of the energy stored in an organism can be passed on to the next trophic level. Of the remaining energy, some is used for the organisms life processes, and the rest is lost as _______ |
|
Definition
|
|
Term
| Nitrogen fixation is carried out primarily by ________ |
|
Definition
|
|
Term
| Some birds are known as honey guides because they may be followed by humans to beehives. When humans take the honey, birds can eat the honey and bees. This type of relationship is called ________ |
|
Definition
|
|
Term
| Cougars are predators that often eat weakened or diseased animals. This is a description of the _______ of cougars. |
|
Definition
|
|
Term
| As matter and energy move from grasses to coyotes, does the amount of available energy decrease, increase, or stay the same? |
|
Definition
|
|
Term
| Energy flows from grass to coyote of coyote to grass? |
|
Definition
|
|
Term
| Why does Earth have three different climate zones? |
|
Definition
| Differences in latitude leading to unequal heating of the Earth |
|
|
Term
|
Definition
| Symbiosis that is beneficial to both organisms involved |
|
|
Term
|
Definition
| An association between two organisms in which one benefits and the other derives neither benefit nor harm |
|
|
Term
|
Definition
| The relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it |
|
|
Term
| Why can several birds live in the same tree? |
|
Definition
|
|
Term
| When forests are turned into fields, then turned back into forests is an example of _________ succession? |
|
Definition
|
|
Term
| When a brand new species appears for the first time somewhere that a new surface formed is an example of _________ succession? |
|
Definition
|
|
Term
| No two species can occupy the same niche in the same habitat at the same time because of what principle? |
|
Definition
|
|
Term
| What biome has cold to moderate winters, warm summers, fertile soils, and has vegetation, like coniferous trees, deciduous trees, and ferns? |
|
Definition
|
|
Term
| Two barnacles attempting to use the same resources are in _______ with each other? |
|
Definition
|
|
Term
|
Definition
| The variety of life in the world or in a particular habitat or ecosystem |
|
|
Term
|
Definition
| The total number of organisms in a given species for which there are sufficient resources |
|
|
Term
| What are the principles of the cell theory? |
|
Definition
1).All organisms consist of one or more cells.
2.)All organisms are composed of cells.
3.)Cells only come from other cells. |
|
|
Term
| A thin, flexible barrier around a cell is called the __ |
|
Definition
|
|
Term
| Which cell structure contains the cells genetic material and controls the cells activities? |
|
Definition
|
|
Term
| How are Prokaryotes and Eukaryotes alike and different? |
|
Definition
Eukaryotes are animal cells
Prokaryotes are plant cells
Eukaryotes have a nucleus
They are both living cells |
|
|
Term
| Which organelle breaks down food into particles the cell can use? |
|
Definition
|
|
Term
| Which organelles help provide cells with energy? |
|
Definition
|
|
Term
| Which organelle would you expect to find in plant cells and not animal cells? |
|
Definition
|
|
Term
| Diffusion is the movement of molecules from an area of ___ concentration to area of ___ concentration |
|
Definition
|
|
Term
| Which means of particle transport requires input of energy from the cell? |
|
Definition
|
|
Term
| The diffusion of water across a selectively permeable membrane is called |
|
Definition
|
|
Term
| A plasma membrane is made up of a ________ ________ |
|
Definition
|
|
Term
| When the volume of a cell increases, its surface area _______ |
|
Definition
|
|
Term
| What role does the Golgi apparatus play in a cell? |
|
Definition
| Modify, sort, and package proteins |
|
|
Term
| How are chloroplasts similar to mitochondria? |
|
Definition
| They are double membraned |
|
|
Term
| The Krebs cycle does not occur if ? |
|
Definition
| There is no oxygen present |
|
|
Term
| What is released during cellular respiration? |
|
Definition
|
|
Term
| Cellular respiration uses one molecule of glucose to produce ___ ATP molecules |
|
Definition
|
|
Term
| Equation for cellular respiration? |
|
Definition
| C6H12O6 + 6 O2 -> 6 CO2 + 6 H2O + Energy |
|
|
Term
| What is a product of the Calvin Cycle? |
|
Definition
| Glucose, or 3 ATP and 2 NADP+ |
|
|
Term
| What is the role of the spindle during mitosis? |
|
Definition
| They pull the sister chromatids apart |
|
|
Term
| Cancer is a disorder in which some cells have lost the ability to control their what? |
|
Definition
|
|
Term
| What will affect the rate of photosynthesis? |
|
Definition
| Sunlight, Temperature, and CO2 and O2 amounts |
|
|
Term
| What is the equation for photosynthesis? |
|
Definition
| 6CO2 + 6H2O + Sunlight -> C6H12O6 + 6O2 |
|
|
Term
| What are products of light-dependent reactions? |
|
Definition
|
|
Term
| Where do light-dependent reactions take place? |
|
Definition
|
|
Term
| The starting molecule for glycolysis is __ ? |
|
Definition
|
|
Term
| The products of photosynthesis are the __ of cellular respiration |
|
Definition
|
|
Term
| Plants gather the suns energy with light absorbing molecules called __ |
|
Definition
|
|
Term
| Which color is not absorbed well by chlorophyll? |
|
Definition
|
|
Term
| When during the cell cycle is a cells DNA replicated? |
|
Definition
|
|
Term
| What happens during interphase? |
|
Definition
| The cell grows, matures, and replicates its DNA |
|
|
Term
| What are the problems that growth causes for cells? |
|
Definition
| Volume increases more rapidly than the surface area |
|
|
Term
| The process by which a cell divides into two daughter cells is called? |
|
Definition
|
|
Term
| What does the principle of dominance state? |
|
Definition
| Some alleles are dominant and others are recessive? |
|
|
Term
| If an organisms diploid number is 12, its haploid number is __ ? |
|
Definition
|
|
Term
| What are the nucleotides found in DNA? |
|
Definition
|
|
Term
| The percentage of adenine is equal to ? |
|
Definition
|
|
Term
| How are gene maps formed? |
|
Definition
| By measuring the frequencies of crossing over between genes |
|
|
Term
| Unlike DNA, RNA contains the __ nucleotide |
|
Definition
|
|
Term
| How many codons are needed to specify three amino acids? |
|
Definition
|
|
Term
| Genes contain instructions for assembling __ ? |
|
Definition
|
|
Term
| During translation, the type of amino acid that is added to the growing polypeptide, depends on the ____ on the mRNA and the ____ on the tRNA |
|
Definition
|
|
Term
| What causes translation to stop? |
|
Definition
| Stop codons like (UAA, UAG, UGA) |
|
|
