homework questions Flashcards
sack masters: approx. what percent of NFL teams employ in-house sports scientists?
33%
sack masters: According to Gibson: “Sleep of adequate __________ and __________ offers many advantages while major pitfalls lurk on the wrong side of the bed.”
length and quality
sack masters: list two physiological processes related to proper sleep
the immune system and metabolism
sack masters: what two variable do players tend to focus on?
sleep environment and their schedule
sack masters: define the word ambivalence
having mixed feelings about someone
sack masters: what are the recommend hours of sleep for teens according to NIH?
8-10 hours
sack masters: what is microsleep
brief moments of sleep that occur when you’re awake
sack masters: how many car accidents are estimated to be caused by sleep deprivation each year?
100,000
sack masters: how many deaths are estimated to be caused by sleep deprivation each year?
1,500
sack masters: what is SDD?
Sleep deficiency disorder
sack masters: list 6 possible consequences of SDD
sleep deprivation & deficiency. limited time for sleep, medical conditions, undiagnosed problems, lifestyle choices prevent sleep, schedule conflict inner-life
page 9, #3: name the characteristics shared by living things
- organization and presence of one or more cells
- response of stimuli
- homeostasis
- metabolism
- growth & development
- reproduction
- change through time
page 9, #5: what are the different functions of homeostasis and metabolism in living organisms?
homeostasis too little is bad, too much is bad and metabolism turns what we eat into energy
explain the importance of the study of environmental science.
tells us about climate change
name the three major layers between Earth’s center and 20 km above Earth’s surface.
Geosphere, Hydrosphere, and Atmosphere
Define the biosphere
The region on, above, and below the Earth’s surface
How does the greenhouse effect occur?
Gases in Earth’s atmosphere trap heat from the Sun
compare species diversity richness and species evenness
richness: a measure of the number of different types of species in an ecosystem
evenness: a measure of the relative abundance of each species
compare species diversity and genetic diversity
species diversity: different genes in plants, animals, etc
genetic diversity: the difference within populations of species
list several reasons to value biodiversity
- shows the importance of taking care of Earth
*provides benefits to people
compare the density of oxygen in the atmosphere at 36,000 ft above sea to its density at 18,000 ft above sea level
density of oxygen is higher at 18,000 ft than 36,000 ft above sea level.
identify some of the components of somg
nitrogen oxides, carbon monoxide, and sulphur dioxide
explain how the release of chlorofluorocarbons affects the ozone layer
the effects are negative on the ozone layer. they have chlorine, fluorine and carbon atoms
describe how pesticides, such as DDT, undergo the process of biological magnification
they increase in concentration as they move higher up the food chain.
what are the primary causes of modern species extinction
loss of habitat, pollution, and climate change