homework questions

Question 1

sack masters: approx. what percent of NFL teams employ in-house sports scientists?

Answer 1

33%

Question 2

sack masters: According to Gibson: “Sleep of adequate __________ and __________ offers many advantages while major pitfalls lurk on the wrong side of the bed.”

Answer 2

length and quality

Question 3

sack masters: list two physiological processes related to proper sleep

Answer 3

the immune system and metabolism

Question 4

sack masters: what two variable do players tend to focus on?

Answer 4

sleep environment and their schedule

Question 5

sack masters: define the word ambivalence

Answer 5

having mixed feelings about someone

Question 6

sack masters: what are the recommend hours of sleep for teens according to NIH?

Answer 6

8-10 hours

Question 7

sack masters: what is microsleep

Answer 7

brief moments of sleep that occur when you’re awake

Question 8

sack masters: how many car accidents are estimated to be caused by sleep deprivation each year?

Answer 8

100,000

Question 9

sack masters: how many deaths are estimated to be caused by sleep deprivation each year?

Answer 9

1,500

Question 10

sack masters: what is SDD?

Answer 10

Sleep deficiency disorder

Question 11

sack masters: list 6 possible consequences of SDD

Answer 11

sleep deprivation & deficiency. limited time for sleep, medical conditions, undiagnosed problems, lifestyle choices prevent sleep, schedule conflict inner-life

Question 12

page 9, #3: name the characteristics shared by living things

Answer 12

1. organization and presence of one or more cells
2. response of stimuli
3. homeostasis
4. metabolism
5. growth & development
6. reproduction
7. change through time

Question 13

page 9, #5: what are the different functions of homeostasis and metabolism in living organisms?

Answer 13

homeostasis too little is bad, too much is bad and metabolism turns what we eat into energy

Question 14

explain the importance of the study of environmental science.

Answer 14

tells us about climate change

Question 15

name the three major layers between Earth’s center and 20 km above Earth’s surface.

Answer 15

Geosphere, Hydrosphere, and Atmosphere

Question 16

Define the biosphere

Answer 16

The region on, above, and below the Earth’s surface

Question 17

How does the greenhouse effect occur?

Answer 17

Gases in Earth’s atmosphere trap heat from the Sun

Question 18

compare species diversity richness and species evenness

Answer 18

richness: a measure of the number of different types of species in an ecosystem

evenness: a measure of the relative abundance of each species

Question 19

compare species diversity and genetic diversity

Answer 19

species diversity: different genes in plants, animals, etc

genetic diversity: the difference within populations of species

Question 20

list several reasons to value biodiversity

Answer 20

• shows the importance of taking care of Earth
  *provides benefits to people

Question 21

compare the density of oxygen in the atmosphere at 36,000 ft above sea to its density at 18,000 ft above sea level

Answer 21

density of oxygen is higher at 18,000 ft than 36,000 ft above sea level.

Question 22

identify some of the components of somg

Answer 22

nitrogen oxides, carbon monoxide, and sulphur dioxide

Question 23

explain how the release of chlorofluorocarbons affects the ozone layer

Answer 23

the effects are negative on the ozone layer. they have chlorine, fluorine and carbon atoms

Question 24

describe how pesticides, such as DDT, undergo the process of biological magnification

Answer 24

they increase in concentration as they move higher up the food chain.

Question 25

what are the primary causes of modern species extinction

Answer 25

loss of habitat, pollution, and climate change