unit 1&2
what is biodiversity?
the variety of life in the world or ecosystem
define altitude
the elevation above sea level
what are grazers?
animals that eat (mainly) grass
why are invasive species a danger to habitats?
these are native which cause harm to the local community that they don't belong in
what can be considered a downfall of monoculture?
soil can become infertile and nothing can be grown fo years
define quantitative observation
specific measurements involving numbers
what is turbulent water?
the highest dissolved oxygen in cold water
seasons can be determined by what?
temperature or precipitation
what are some threats to biodiversity?
habitat destruction, pollution, exploitation and climate change
what is the rainshadow effect?
the warm air over the ocean causes evaporation and winds that causes rain to fall on one side of the mountain
is Carbon dioxide considered a biotic factor or an abiotic factor?
abiotic factor
what is a benefit of aquaculture?
efficient with lots of fish being raised with the smallest energy
what is the risk of factory farming?
risk of pathogens that cause food borne illness in people
what is permafrost?
permanently frozen layer preventing plant roots from growing too deep
true or false: a population is a group of different/ a variety of organisms living in the same place
false: a population is the number of organism of the same species in the same place at the same time
a population's carrying capacity is influenced by?
limiting factors
whats the percent of salt in freshwater?
<1%
what are the dominant plants in chaparral?
shrubs
true
what is species diversity?
the number of different types of species within a community
species rely on Earth for what?
air, water, food and shelter
what are prevailing winds?
regions where the wind tends to blow from a certain direction
true or false : desert biomes receives way more rainfall than chapparal
false
what is an adaptation of the plants in the arctic tundra?
low growing to avoid winds and grouped together to resist low temperature
what topic did I present for the environmental issue presentation?