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internal gestation followed by live birth is an evolutionary development most l...
Biology, 16.08.2019 09:10 hannahxmurphs
Need answer !
internal gestation followed by live birth is an evolutionary development most likely driven by which of the following?
a. the inability of eggs to acquire nutrients to grow complex animals.
b. environmental conditions caused eggs to over-absorb dangerous molecules from the environment.
c. the need to give birth and reproduce on dry land where eggs could dry out.
d. the threat of predators to eat eggs.
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The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body
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Can happen anywhere along the spine if the neural tube does not close all the way. the backbone that protects the spinal cord does not form and close as it should. this often results in damage to the spinal cord and nerves. a) cleft palate b) spina bifida c) encephalocele d) down's syndrome
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