ecology Flashcards
what is a habitat
the environment in which an animal lives in
what is population
the population is the total number of species within the same geographical area
what is a community
a community is the populations of a wide variety of species living in the same habitat
what do plants compete for
light, space, water and mineral ions in the soil
what do animals copete for
food, water, mating partners and territory
what are examples of biotic factors
availability of food, introduction of a new predator, competition and new pathogens
what are examples of abiotic factors
light intensity, temperature, water, pH, abundance of mineral ions, wind intensity and availability of carbon dioxide and oxygen
what are structural adaptations
adaptations that affect the body shape or structure of an organism
what are functional adaptations
adaptations that affect the body functions of an organism
what are behavioral adaptations
adaptations that affects the animals behavior or lifestyle
what is an extremophile
it is an organism that is adapted to live in very extreme conditions
what is the formula for estimated total population size
(total area/area sampled) * number of organisms counted in sample
what is the only way that carbon can enter the carbon cycle
photosynthesis
what conditions increase the rate of decay
temperature,moisture, availability of oxygen
what are the products of anaerobic decay
a range of gasses including methane called biogas