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Species Interactions
Feeding Relationships
Chemical Cycles & Impacts on Them
Conservation Biology
100
Define niche. Is it common for two species to have the exact same niche?
An organism's habitat, food sources, activity, etc. No
100
Define producer, consumer, decomposer
Producer- plants- convert light into energy Consumer- obtain chemical energy from producer Decomposer- breaks down waste & dead organisms
100
What is the basic pattern of chemical cycles?
1. Producers get chemicals from non living environment 2. Consumers eat producers- some use the chemicals others excrete 3. Organisms die, decomposers break down and put chemicals back into the soil, water, & air
100
Define Biodiversity?
Variety of life on earth
200
What is predation? Name 3 adaptations prey have to adapt to predators?
Interaction in which one organism eats another. Camo, mimicry, flight, bright coloration
200
What is the difference between a food chain & a food web
Chain is linear Web is interconnected- more than one tropic level
200
What are ways in which CO2 is put into the atmosphere?
fossil fuels, volcanoes, burning wood
200
Describe two arguments from preserving the environment/biodiversity?
medicines, beauty, resources...
300
Define symbiotic relationships. What are the three types?
Close interaction between species in which one species lives on or in the other. Parasitism, Commensalism, Mutualism
300
How is the movement of energy and the movement of chemicals through an ecosystem different?
Energy cant be recycled, chemicals can
300
How does deforestation impact the CO2 cycle?
Trees take in CO2 for photosynthesis. Less trees, more CO2 in the atmosphere.
300
Define conservation biology
The study of conservation
400
Define mimicry and give an example
Mimicking another animal- caterpillar looking like snake
400
What is a trophic level? Name them going in order from the bottom of the food chain up. Name four levels total.
Primary producer primary consumer secondary consumer tertiary consumer
400
What is the greenhouse effect? What is an example of a greenhouse gas?
Sunlight goes in and is trapped. CO2
400
Why is conservation biology so controversial? Name the four approaches to preservation.
Understanding habitat Hot spots Balance demand from resources Sustainability
500
Define and give examples of each type of symbiotic relationship
Parasitism- one organism harming another- mosquito Mutualism- both benefit- bacteria in intestine or clownfish Commensalism- one helped, the other not affected- spider crab and seaweed or shark with remoras
500
Draw a food chain with a mouse, flower, snake, grasshopper, & hawk
flower-grasshopper-mouse-snake-hawk
500
What is Ozone? What is its relationship with CFCs?
Protect from UVs, CFC eat away at it
500
Name & describe the 3 main threats to biodiversity
Habitat destruction Introduces species Overexploitation