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BS Final
Ecology, Asex Repro, Sci Meth
| Question | Answer |
|---|---|
| How does a Hydra reproduce? | budding |
| How does bread mold reproduce? | sporulation |
| How could an apple tree produce 5 different kinds of apples on one tree? | grafting |
| Name two organisms that reproduce asexually, and draw a sketch of each. | amoeba and hydra |
| Give an example of a population. | all the red foxes living in a given forest |
| When an organism reproduces asexually, what are its offspring like? | genetically identical to the parent |
| Define ecosystem. | interaction of biotic and abiotic factors. |
| If a stem cell in a corn plant contains 20 chromosomes, how many will daughter cells have? | 20 |
| Compared to a natural forest, a wheat field lacks... | biodiversity |
| Energy for a pond ecosystem originally comes from where? | sunlight |
| If two different species feed on the same species, what will most likely occur? | competition |
| Many different species live under a log. All these species together make up a ... | community |
| What makes an ecosystem stable? | a high level of biodiversity |
| Put the stages of succession in the proper order: shrubs, grasses, lichens, deciduous trees, coniferous trees | lichens, grasses, shrubs, conifers, deciduous trees |
| Name a predator and prey. | Hawk catching and eating a mouse |
| What kind of relationship is a tapeworm living in a human? | parasite-host |
| Give an example of a produce-herbivore-carnivore relationship. | grass-field mouse-owl |
| Herbivores are also known as | primary consumers |
| On an energy pyramid, which level contains the least amount of energy? | top |
| What type of organism does EVERY food chain start with? | plant or algae (producers) |
| What do the arrows in a food chain indicate? | direction of energy flow |
| What is the major cause of acid lakes in the Adirondacks? | burning fossil fuels that produce nitrogen and sulfur air pollution (NOX and SOX) |
| How do fertilizers interfere with ecosystem equilibrium? | run off into local water supplies |
| What is the relationship btwn the control group and the experimental group? | identical in all respects except one |
| What is a human activity that HELPS ecosystem stability? | recycling bottles and cans |
| What must happen for an experiment to be generally accepted? | repeat it to verify reliability of data |
| What is a major cause of global warming? | increased burning of fossil fuels |
| After the scientific question is defined, what is the next step in the scientific method? | form a hypothesis |
| Why are graphs used? | to observe general trends in data |
| How do you identify a hypothesis? | It is NOT a question, it is a statement. It is NOT a list of materials or steps of a procedure. |
| Lady bugs were used as predators to eat aphids, which ate crops. This is an ex. of... | biological pest control |
| What is the underlying cause of all human related negative effects on Earth? | increasing human population |
| Describe, or diagram, the pH scale. | a n b 0 7 14 |
| On a graph, where is independent variable? | bottom (x) axis |
| there will be a bullet question on the sci method... |
Created by:
thomase
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