Organisms and Population Flashcards
Ecology is a study of
the interactions among organisms and between the
organism and its physical (abiotic) environment.
four levels of biological organization
organisms, populations, communities and biomes
The salt concentration (measured as salinity in parts per thousand), is less than __ in inland waters, ____ in the sea and _____ in some hypersaline
lagoons.
5, 30-35, > 100
Where is Keoladeo national Park
Bharatpur, Rajasthan
Symptoms of altitude sickness
nausea, fatigue and heart palpitations
Animals in extreme environments show __________ adaptations
biochemical
we adapt to stressful means by ____________ adaptations
physical
r value of
Norway rat
flour beetle
human in india
- 015
- 12
- 0205
Breeding once?
Pacific salmon fish, bamboo
Large number of offsprings?
Oysters, pelagic fishes
Prickly pear cactus of australia was brought under control by
moths
In the rocky intertidal communities of the___________ the starfish Pisaster is an important predator. In a field experiment, when all the starfish were removed from an enclosed intertidal area, more than ____ species of ____________ became extinct within a year, because of interspecific competition
American Pacific Coast
10 species
of invertebrates
Nearly ___ per cent of all insects are known to be phytophagous (feeding on plant sap
and other parts of plants).
25
In _____________ lakes, flamingos and fishes compete for zooplankton
South Americans
In competition, r of one animal is _______________ than the other
significantly lower
