A thin-shelled crab can more readily move to escape a predator than can a thick-shelled crab, but it is more vulnerable to predators that drill through the shell. Because of these opposing forces, shell thickness for many types of crabs has remained within a narrow range over a long time. This would be an example of ___.
Answers: 1
Biology, 22.06.2019 10:40
Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above
Answers: 1
Biology, 22.06.2019 12:20
Which organ controls breathing? lungs alveoli heart diaphragm
Answers: 2
Biology, 22.06.2019 13:00
Facilitated diffusion move large molecules and/or polar molecules across the cell membrane. what does facilitated diffusion use to do this?
Answers: 3
Biology, 22.06.2019 14:50
The ultimate purpose of respiration: a. inhale 02 and exhale co2 b. place oxygen in the lungs c. place oxygen in the blood d. deliver oxygen to every blood cell
Answers: 3
A thin-shelled crab can more readily move to escape a predator than can a thick-shelled crab, but it...
English, 27.10.2020 17:50
Mathematics, 27.10.2020 17:50
Mathematics, 27.10.2020 17:50
Mathematics, 27.10.2020 17:50
Mathematics, 27.10.2020 17:50
History, 27.10.2020 17:50