Biology, 16.07.2019 06:00 timothyallenhall2006
High-flying birds are able to obtain enough oxygen even when the air is very thin because a. they have more efficient lungs than other vertebrates. b. they have reduced amounts of hemoglobin in their blood. c. their mitochondria are more efficient than those of other vertebrates. and) their heart can increase or decrease in size as altitude changes. e. they are able to store oxygen in oxygen chambers within muscle cells.
Answers: 1
Biology, 22.06.2019 07:00, rebekahhenton
The is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most if the number of offspring each female in the population produces increases. if the population's this measurement will most likely increase. 1 population density, minimum viable population, carrying capacity 2 decrease, be unaffected, increase 3 death rate increase, dead rate decrease
Answers: 2
Biology, 22.06.2019 09:30, danielapenaoypgns
This is the process of making a prediction based on the results of prior observations of similar events.
Answers: 1
Biology, 22.06.2019 13:00, Bradgarner772
"your temperature analysis reveals a pattern with coldest temperatures located to the portion of the map."
Answers: 1
Biology, 23.06.2019 00:30, 4804113260
Why is it important that each contour line represents the same amount of gain or loss in elevation
Answers: 3
High-flying birds are able to obtain enough oxygen even when the air is very thin because a. they ha...