CHAPTER 1-4 Flashcards
(34 cards)
What is homeostasis?
Balance of our internal environment
What are the 6 characteristics of living things ?
Reproduction, growth, development, orderly structure, adaptation, evolution
What is the scientific method?
-Problem/question
-Research
-Hypothesis
-Experiment
.Collect data
-Analyze data
-conclusions
What is biology?
The study of living things
What is ecology?
How organisms interact with their environment
What is the difference between quantitative and descriptive methods of observation?
Quant.= numbers
Descriptive=observation
What part of the planet supports living things?
Biosphere
What are abiotic factors and give examples
Nonliving components in the biosphere- rocks, air, soil, temperature
What are biotic factors and give examples
Living components of the biosphere-animals, plants
What are the ecological levels of organization?
Organisms Population Community Ecosystem Biosphere
Where an organism lives is its_____
Habitat
What is a niche?
Job or role an organism has in its ecosystem
What is symbiosis?
Relationship between two different species where at least one organism benefits
What is commensalism ?
One species benefits, one is neither harmed nor benefitted
What is mutualism?
Both species benefit
What is Parasitism ?
One benefits and the other is harmed
What are producers?
Plants, produce their own energy
What are consumers?
Eat producers and other consumers, animals
What are the 5 different types of consumers?
Herbivores, carnivores, omnivores, scavengers, decomposers
What are other names for consumers and producers?
Heterotrophs and autotrophs
What are the three different ecology pyramids?
Pyramid of numbers, energy, biomass
What is a Trophic level?
Each stage in the ecological pyramids
Which pyramid shows amount of organisms in each Trophic level?
Numbers
Which pyramid shows the measurements in kg?
Pyramid of biomass